diff --git a/apps/static/src/assets/stagnet3-tranches.json b/apps/static/src/assets/stagnet3-tranches.json
index 626451c00..b14b4a2b2 100644
--- a/apps/static/src/assets/stagnet3-tranches.json
+++ b/apps/static/src/assets/stagnet3-tranches.json
@@ -10,4 +10,4 @@
     "withdrawals": [],
     "users": []
   }
-]
\ No newline at end of file
+]
diff --git a/apps/token/src/hooks/use-tranches.ts b/apps/token/src/hooks/use-tranches.ts
index 1b6740744..cb4ab7f07 100644
--- a/apps/token/src/hooks/use-tranches.ts
+++ b/apps/token/src/hooks/use-tranches.ts
@@ -10,7 +10,7 @@ const TRANCHES_URLS: { [N in Networks]: string } = {
   MAINNET: 'https://static.vega.xyz/assets/mainnet-tranches.json',
   TESTNET: 'https://static.vega.xyz/assets/testnet-tranches.json',
   STAGNET: 'https://static.vega.xyz/assets/stagnet1-tranches.json',
-  STAGNET3: 'https://static.vega.xyz/assets/stagnet2-tranches.json',
+  STAGNET3: 'https://static.vega.xyz/assets/stagnet3-tranches.json',
   DEVNET: 'https://static.vega.xyz/assets/devnet-tranches.json',
   CUSTOM: 'https://static.vega.xyz/assets/testnet-tranches.json',
 };
diff --git a/apps/trading/components/navbar/navbar.tsx b/apps/trading/components/navbar/navbar.tsx
index 17fe3b994..d6427aa8a 100644
--- a/apps/trading/components/navbar/navbar.tsx
+++ b/apps/trading/components/navbar/navbar.tsx
@@ -1,8 +1,9 @@
-import { useRouter } from 'next/router';
-import { Vega } from '../icons/vega';
-import Link from 'next/link';
-import { t } from '@vegaprotocol/react-helpers';
 import classNames from 'classnames';
+import { useRouter } from 'next/router';
+import Link from 'next/link';
+import { NetworkSwitcher } from '@vegaprotocol/environment';
+import { t } from '@vegaprotocol/react-helpers';
+import { Vega } from '../icons/vega';
 import { useGlobalStore } from '../../stores/global';
 
 export const Navbar = () => {
@@ -10,12 +11,15 @@ export const Navbar = () => {
   const tradingPath = marketId ? `/markets/${marketId}` : '/';
   return (
     <nav className="flex items-center">
-      <Link href="/" passHref={true}>
-        {/* eslint-disable-next-line jsx-a11y/anchor-is-valid */}
-        <a className="px-[26px]">
-          <Vega className="fill-white" />
-        </a>
-      </Link>
+      <div className="flex items-center h-full">
+        <Link href="/" passHref={true}>
+          {/* eslint-disable-next-line jsx-a11y/anchor-is-valid */}
+          <a className="px-24">
+            <Vega className="fill-white" />
+          </a>
+        </Link>
+        <NetworkSwitcher />
+      </div>
       {[
         {
           name: t('Trading'),
diff --git a/libs/environment/src/components/index.ts b/libs/environment/src/components/index.ts
index 0d7165ff2..2adaf54b0 100644
--- a/libs/environment/src/components/index.ts
+++ b/libs/environment/src/components/index.ts
@@ -1,3 +1,4 @@
 export * from './network-loader';
+export * from './network-switcher';
 export * from './node-switcher';
 export * from './node-switcher-dialog';
diff --git a/libs/environment/src/components/network-switcher/index.tsx b/libs/environment/src/components/network-switcher/index.tsx
new file mode 100644
index 000000000..25458e819
--- /dev/null
+++ b/libs/environment/src/components/network-switcher/index.tsx
@@ -0,0 +1 @@
+export * from './network-switcher';
diff --git a/libs/environment/src/components/network-switcher/network-switcher.spec.tsx b/libs/environment/src/components/network-switcher/network-switcher.spec.tsx
new file mode 100644
index 000000000..28d08b134
--- /dev/null
+++ b/libs/environment/src/components/network-switcher/network-switcher.spec.tsx
@@ -0,0 +1,227 @@
+import { render, screen, fireEvent } from '@testing-library/react';
+import { t } from '@vegaprotocol/react-helpers';
+import { useEnvironment } from '../../hooks/use-environment';
+import {
+  NetworkSwitcher,
+  envNameMapping,
+  envTriggerMapping,
+  envDescriptionMapping,
+} from './';
+import { Networks } from '../../';
+
+jest.mock('../../hooks/use-environment');
+
+describe('Network switcher', () => {
+  it.each`
+    network              | label
+    ${Networks.CUSTOM}   | ${envTriggerMapping[Networks.CUSTOM]}
+    ${Networks.DEVNET}   | ${envTriggerMapping[Networks.DEVNET]}
+    ${Networks.STAGNET}  | ${envTriggerMapping[Networks.STAGNET]}
+    ${Networks.STAGNET3} | ${envTriggerMapping[Networks.STAGNET3]}
+    ${Networks.TESTNET}  | ${envTriggerMapping[Networks.TESTNET]}
+    ${Networks.MAINNET}  | ${envTriggerMapping[Networks.MAINNET]}
+  `(
+    'displays the correct selection label for $network',
+    ({ network, label }) => {
+      // @ts-ignore Typescript doesn't know about this module being mocked
+      useEnvironment.mockImplementation(() => ({
+        VEGA_ENV: network,
+        VEGA_NETWORKS: {},
+      }));
+
+      render(<NetworkSwitcher />);
+
+      expect(screen.getByRole('button')).toHaveTextContent(label);
+    }
+  );
+
+  it('displays mainnet and testnet on the default dropdown view', () => {
+    const mainnetUrl = 'https://main.net';
+    const testnetUrl = 'https://test.net';
+    // @ts-ignore Typescript doesn't know about this module being mocked
+    useEnvironment.mockImplementation(() => ({
+      VEGA_ENV: Networks.DEVNET,
+      VEGA_NETWORKS: {
+        [Networks.MAINNET]: mainnetUrl,
+        [Networks.TESTNET]: testnetUrl,
+      },
+    }));
+
+    render(<NetworkSwitcher />);
+
+    fireEvent.click(screen.getByRole('button'));
+
+    const menuitems = screen.getAllByRole('menuitem');
+
+    expect(menuitems[0]).toHaveTextContent(envNameMapping[Networks.MAINNET]);
+    expect(menuitems[1]).toHaveTextContent(envNameMapping[Networks.TESTNET]);
+    expect(menuitems[0]).not.toHaveTextContent(t('current'));
+    expect(menuitems[1]).not.toHaveTextContent(t('current'));
+    expect(menuitems[0]).not.toHaveTextContent(t('not available'));
+    expect(menuitems[1]).not.toHaveTextContent(t('not available'));
+    expect(menuitems[2]).toHaveTextContent(t('Advanced'));
+
+    const links = screen.getAllByRole('link');
+
+    expect(links[0]).toHaveAttribute('href', mainnetUrl);
+    expect(links[1]).toHaveAttribute('href', testnetUrl);
+  });
+
+  it('displays the correct selected network on the default dropdown view', () => {
+    const mainnetUrl = 'https://main.net';
+    const testnetUrl = 'https://test.net';
+    // @ts-ignore Typescript doesn't know about this module being mocked
+    useEnvironment.mockImplementation(() => ({
+      VEGA_ENV: Networks.MAINNET,
+      VEGA_NETWORKS: {
+        [Networks.MAINNET]: mainnetUrl,
+        [Networks.TESTNET]: testnetUrl,
+      },
+    }));
+
+    render(<NetworkSwitcher />);
+
+    fireEvent.click(screen.getByRole('button'));
+
+    const menuitems = screen.getAllByRole('menuitem');
+
+    expect(menuitems[0]).toHaveTextContent(envNameMapping[Networks.MAINNET]);
+    expect(menuitems[0]).toHaveTextContent(t('current'));
+  });
+
+  it('displays the correct selected network on the default dropdown view when it does not have an associated url', () => {
+    const testnetUrl = 'https://test.net';
+    // @ts-ignore Typescript doesn't know about this module being mocked
+    useEnvironment.mockImplementation(() => ({
+      VEGA_ENV: Networks.MAINNET,
+      VEGA_NETWORKS: {
+        [Networks.MAINNET]: undefined,
+        [Networks.TESTNET]: testnetUrl,
+      },
+    }));
+
+    render(<NetworkSwitcher />);
+
+    fireEvent.click(screen.getByRole('button'));
+
+    const menuitems = screen.getAllByRole('menuitem');
+
+    expect(menuitems[0]).toHaveTextContent(envNameMapping[Networks.MAINNET]);
+    expect(menuitems[0]).toHaveTextContent(t('current'));
+  });
+
+  it('displays the correct state for a network without url on the default dropdown view', () => {
+    const testnetUrl = 'https://test.net';
+    // @ts-ignore Typescript doesn't know about this module being mocked
+    useEnvironment.mockImplementation(() => ({
+      VEGA_ENV: Networks.TESTNET,
+      VEGA_NETWORKS: {
+        [Networks.MAINNET]: undefined,
+        [Networks.TESTNET]: testnetUrl,
+      },
+    }));
+
+    render(<NetworkSwitcher />);
+
+    fireEvent.click(screen.getByRole('button'));
+
+    const menuitems = screen.getAllByRole('menuitem');
+
+    expect(menuitems[0]).toHaveTextContent(envNameMapping[Networks.MAINNET]);
+    expect(menuitems[0]).toHaveTextContent(t('not available'));
+  });
+
+  it('displays the advanced view in the correct state', () => {
+    const VEGA_NETWORKS: Record<Networks, string | undefined> = {
+      [Networks.CUSTOM]: undefined,
+      [Networks.MAINNET]: 'https://main.net',
+      [Networks.TESTNET]: 'https://test.net',
+      [Networks.STAGNET3]: 'https://stag3.net',
+      [Networks.STAGNET]: 'https://stag.net',
+      [Networks.DEVNET]: 'https://dev.net',
+    };
+    // @ts-ignore Typescript doesn't know about this module being mocked
+    useEnvironment.mockImplementation(() => ({
+      VEGA_ENV: Networks.DEVNET,
+      VEGA_NETWORKS,
+    }));
+
+    render(<NetworkSwitcher />);
+
+    fireEvent.click(screen.getByRole('button'));
+    fireEvent.click(screen.getByRole('menuitem', { name: t('Advanced') }));
+
+    [
+      Networks.MAINNET,
+      Networks.TESTNET,
+      Networks.STAGNET3,
+      Networks.STAGNET,
+      Networks.DEVNET,
+    ].forEach((network) => {
+      expect(
+        screen.getByRole('link', { name: envNameMapping[network] })
+      ).toHaveAttribute('href', VEGA_NETWORKS[network]);
+      expect(
+        screen.getByText(envDescriptionMapping[network])
+      ).toBeInTheDocument();
+    });
+  });
+
+  it('labels the selected network in the advanced view', () => {
+    const selectedNetwork = Networks.DEVNET;
+    const VEGA_NETWORKS: Record<Networks, string | undefined> = {
+      [Networks.CUSTOM]: undefined,
+      [Networks.MAINNET]: 'https://main.net',
+      [Networks.TESTNET]: 'https://test.net',
+      [Networks.STAGNET3]: 'https://stag3.net',
+      [Networks.STAGNET]: 'https://stag.net',
+      [Networks.DEVNET]: 'https://dev.net',
+    };
+    // @ts-ignore Typescript doesn't know about this module being mocked
+    useEnvironment.mockImplementation(() => ({
+      VEGA_ENV: selectedNetwork,
+      VEGA_NETWORKS,
+    }));
+
+    render(<NetworkSwitcher />);
+
+    fireEvent.click(screen.getByRole('button'));
+    fireEvent.click(screen.getByRole('menuitem', { name: t('Advanced') }));
+
+    const label = screen.getByText(`(${t('current')})`);
+
+    expect(label).toBeInTheDocument();
+    expect(label.parentNode?.firstElementChild).toHaveTextContent(
+      envNameMapping[selectedNetwork]
+    );
+  });
+
+  it('labels unavailable networks view in the correct state', () => {
+    const selectedNetwork = Networks.DEVNET;
+    const VEGA_NETWORKS: Record<Networks, string | undefined> = {
+      [Networks.CUSTOM]: undefined,
+      [Networks.MAINNET]: undefined,
+      [Networks.TESTNET]: 'https://test.net',
+      [Networks.STAGNET3]: 'https://stag3.net',
+      [Networks.STAGNET]: 'https://stag.net',
+      [Networks.DEVNET]: 'https://dev.net',
+    };
+    // @ts-ignore Typescript doesn't know about this module being mocked
+    useEnvironment.mockImplementation(() => ({
+      VEGA_ENV: selectedNetwork,
+      VEGA_NETWORKS,
+    }));
+
+    render(<NetworkSwitcher />);
+
+    fireEvent.click(screen.getByRole('button'));
+    fireEvent.click(screen.getByRole('menuitem', { name: t('Advanced') }));
+
+    const label = screen.getByText(`(${t('not available')})`);
+
+    expect(label).toBeInTheDocument();
+    expect(label.parentNode?.firstElementChild).toHaveTextContent(
+      envNameMapping[Networks.MAINNET]
+    );
+  });
+});
diff --git a/libs/environment/src/components/network-switcher/network-switcher.tsx b/libs/environment/src/components/network-switcher/network-switcher.tsx
new file mode 100644
index 000000000..d8e73cadd
--- /dev/null
+++ b/libs/environment/src/components/network-switcher/network-switcher.tsx
@@ -0,0 +1,183 @@
+import classNames from 'classnames';
+import { Fragment, useState, useCallback } from 'react';
+import * as DropdownMenuPrimitive from '@radix-ui/react-dropdown-menu';
+import { t } from '@vegaprotocol/react-helpers';
+import {
+  Link,
+  Icon,
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+} from '@vegaprotocol/ui-toolkit';
+import { useEnvironment } from '../../hooks/use-environment';
+import { Networks } from '../../types';
+
+export const envNameMapping: Record<Networks, string> = {
+  [Networks.CUSTOM]: t('Custom'),
+  [Networks.DEVNET]: t('Devnet'),
+  [Networks.STAGNET]: t('Stagnet'),
+  [Networks.STAGNET3]: t('Stagnet3'),
+  [Networks.TESTNET]: t('Fairground testnet'),
+  [Networks.MAINNET]: t('Mainnet'),
+};
+
+export const envTriggerMapping: Record<Networks, string> = {
+  ...envNameMapping,
+  [Networks.TESTNET]: t('Fairground'),
+};
+
+export const envDescriptionMapping: Record<Networks, string> = {
+  [Networks.CUSTOM]: '',
+  [Networks.DEVNET]: t('The latest Vega code auto-deployed'),
+  [Networks.STAGNET]: t('A staging environment with trading'),
+  [Networks.STAGNET3]: t(
+    'A testnet that simulates validators coming and going'
+  ),
+  [Networks.TESTNET]: t(
+    'Public testnet run by the Vega team, often used for incentives'
+  ),
+  [Networks.MAINNET]: t('The vega mainnet'),
+};
+
+const standardNetworkKeys = [Networks.MAINNET, Networks.TESTNET];
+const advancedNetworkKeys = [
+  Networks.MAINNET,
+  Networks.TESTNET,
+  Networks.STAGNET3,
+  Networks.STAGNET,
+  Networks.DEVNET,
+];
+
+type NetworkLabelProps = {
+  isCurrent: boolean;
+  isAvailable: boolean;
+};
+
+const getLabelText = ({
+  isCurrent = false,
+  isAvailable = false,
+}: NetworkLabelProps) => {
+  if (isCurrent) {
+    return ` (${t('current')})`;
+  }
+  if (!isAvailable) {
+    return ` (${t('not available')})`;
+  }
+  return '';
+};
+
+const NetworkLabel = ({
+  isCurrent = false,
+  isAvailable = false,
+}: NetworkLabelProps) => (
+  <span className="text-white-80 dark:text-white-80">
+    {getLabelText({ isCurrent, isAvailable })}
+  </span>
+);
+
+export const NetworkSwitcher = () => {
+  const { VEGA_ENV, VEGA_NETWORKS } = useEnvironment();
+  const [isOpen, setOpen] = useState(false);
+  const [isAdvancedView, setAdvancedView] = useState(false);
+
+  const handleOpen = useCallback(
+    (isOpen: boolean) => {
+      setOpen(isOpen);
+      if (!isOpen) {
+        setAdvancedView(false);
+      }
+    },
+    [setOpen, setAdvancedView]
+  );
+
+  const menuItemClasses = 'pt-12 pb-12 pl-16 pr-16 h-auto';
+
+  return (
+    <DropdownMenu open={isOpen} onOpenChange={handleOpen}>
+      <DropdownMenuPrimitive.Trigger
+        className={classNames('h-full outline-none mr-16 text-white px-16', {
+          'bg-dropdown-bg-dark': isOpen,
+        })}
+        onClick={() => handleOpen(!isOpen)}
+      >
+        <span className="mr-8">{envTriggerMapping[VEGA_ENV]}</span>
+        <Icon name="chevron-down" />
+      </DropdownMenuPrimitive.Trigger>
+      <DropdownMenuContent
+        align="start"
+        className="bg-dropdown-bg-dark border-none"
+      >
+        {!isAdvancedView && (
+          <>
+            {standardNetworkKeys.map((key) => (
+              <DropdownMenuItem
+                key={key}
+                data-testid="network-item"
+                disabled={!VEGA_NETWORKS[key]}
+                className={classNames(menuItemClasses, {
+                  'text-white': !!VEGA_NETWORKS[key],
+                  'cursor-not-allowed text-white-80 dark:text-white-80':
+                    !VEGA_NETWORKS[key],
+                })}
+              >
+                <a
+                  href={VEGA_NETWORKS[key]}
+                  className="h-full block no-underline"
+                >
+                  {envNameMapping[key]}
+                  <NetworkLabel
+                    isCurrent={VEGA_ENV === key}
+                    isAvailable={!!VEGA_NETWORKS[key]}
+                  />
+                </a>
+              </DropdownMenuItem>
+            ))}
+            <DropdownMenuItem
+              className={classNames(
+                menuItemClasses,
+                'text-white-80 dark:text-white-80'
+              )}
+              onClick={(e) => {
+                e.preventDefault();
+                e.stopPropagation();
+                setAdvancedView(true);
+              }}
+            >
+              {t('Advanced')}
+            </DropdownMenuItem>
+          </>
+        )}
+        {isAdvancedView && (
+          <div className="grid py-12 px-16 grid-cols-[repeat(2,_minmax(0,_auto))] gap-y-12 gap-x-16">
+            {advancedNetworkKeys.map((key) => (
+              <Fragment key={key}>
+                <div className="py-8" data-testid="network-item-advanced">
+                  <Link
+                    href={VEGA_NETWORKS[key]}
+                    className={classNames({
+                      'text-white': !!VEGA_NETWORKS[key],
+                      'cursor-not-allowed text-white-80 dark:text-white-80':
+                        !VEGA_NETWORKS[key],
+                    })}
+                  >
+                    {envNameMapping[key]}
+                  </Link>
+                  <NetworkLabel
+                    isCurrent={VEGA_ENV === key}
+                    isAvailable={!!VEGA_NETWORKS[key]}
+                  />
+                </div>
+                <span
+                  className="text-white py-8"
+                  data-testid="network-item-description"
+                >
+                  {envDescriptionMapping[key]}
+                </span>
+              </Fragment>
+            ))}
+          </div>
+        )}
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+};
diff --git a/libs/environment/src/components/node-switcher/node-switcher.spec.tsx b/libs/environment/src/components/node-switcher/node-switcher.spec.tsx
index af7cacf0a..43606777f 100644
--- a/libs/environment/src/components/node-switcher/node-switcher.spec.tsx
+++ b/libs/environment/src/components/node-switcher/node-switcher.spec.tsx
@@ -7,8 +7,8 @@ import createMockClient from '../../hooks/mocks/apollo-client';
 import { STATS_QUERY } from '../../utils/request-node';
 import { NodeSwitcher } from './node-switcher';
 import { getErrorByType } from '../../utils/validate-node';
-import type { Configuration, NodeData } from '../../';
-import { Networks, ErrorType, CUSTOM_NODE_KEY } from '../../';
+import type { Configuration, NodeData } from '../../types';
+import { Networks, ErrorType, CUSTOM_NODE_KEY } from '../../types';
 
 type NodeDataProp = 'responseTime' | 'block' | 'chain' | 'ssl';
 
diff --git a/libs/environment/src/hooks/use-environment-errors.spec.tsx b/libs/environment/src/hooks/use-environment-errors.spec.tsx
index 7c5d9452e..bac54f752 100644
--- a/libs/environment/src/hooks/use-environment-errors.spec.tsx
+++ b/libs/environment/src/hooks/use-environment-errors.spec.tsx
@@ -195,7 +195,7 @@ describe('throws error', () => {
       });
     expect(result).not.toThrow(
       `Error processing the vega app environment:
-    - NX_VEGA_ENV is invalid, received "SOMETHING" instead of: CUSTOM | TESTNET | STAGNET | STAGNET2 | DEVNET | MAINNET`
+    - NX_VEGA_ENV is invalid, received "SOMETHING" instead of: CUSTOM | TESTNET | STAGNET | DEVNET | MAINNET`
     );
   });
 });
diff --git a/libs/environment/src/hooks/use-environment.spec.tsx b/libs/environment/src/hooks/use-environment.spec.tsx
index 1b8625349..a59e099ec 100644
--- a/libs/environment/src/hooks/use-environment.spec.tsx
+++ b/libs/environment/src/hooks/use-environment.spec.tsx
@@ -192,7 +192,7 @@ it.each`
   ${Networks.DEVNET}   | ${'https://ropsten.etherscan.io'} | ${'https://ropsten.infura.io/v3/4f846e79e13f44d1b51bbd7ed9edefb8'}
   ${Networks.TESTNET}  | ${'https://ropsten.etherscan.io'} | ${'https://ropsten.infura.io/v3/4f846e79e13f44d1b51bbd7ed9edefb8'}
   ${Networks.STAGNET}  | ${'https://ropsten.etherscan.io'} | ${'https://ropsten.infura.io/v3/4f846e79e13f44d1b51bbd7ed9edefb8'}
-  ${Networks.STAGNET2} | ${'https://ropsten.etherscan.io'} | ${'https://ropsten.infura.io/v3/4f846e79e13f44d1b51bbd7ed9edefb8'}
+  ${Networks.STAGNET3} | ${'https://ropsten.etherscan.io'} | ${'https://ropsten.infura.io/v3/4f846e79e13f44d1b51bbd7ed9edefb8'}
   ${Networks.MAINNET}  | ${'https://etherscan.io'}         | ${'https://mainnet.infura.io/v3/4f846e79e13f44d1b51bbd7ed9edefb8'}
 `(
   'uses correct default ethereum connection variables in $env',
diff --git a/libs/environment/src/setup-tests.ts b/libs/environment/src/setup-tests.ts
index 40db815a1..cb7ca12ea 100644
--- a/libs/environment/src/setup-tests.ts
+++ b/libs/environment/src/setup-tests.ts
@@ -6,3 +6,24 @@ import '@testing-library/jest-dom';
 import ResizeObserver from 'resize-observer-polyfill';
 
 global.ResizeObserver = ResizeObserver;
+
+// Required by radix-ui/react-dropdown-menu
+global.DOMRect = class DOMRect {
+  bottom = 0;
+  left = 0;
+  right = 0;
+  top = 0;
+
+  constructor(
+    public x = 0,
+    public y = 0,
+    public width = 0,
+    public height = 0
+  ) {}
+  static fromRect(other?: DOMRectInit): DOMRect {
+    return new DOMRect(other?.x, other?.y, other?.width, other?.height);
+  }
+  toJSON() {
+    return JSON.stringify(this);
+  }
+};
diff --git a/libs/environment/src/utils/compile-environment.ts b/libs/environment/src/utils/compile-environment.ts
index c733e6434..3b4de999a 100644
--- a/libs/environment/src/utils/compile-environment.ts
+++ b/libs/environment/src/utils/compile-environment.ts
@@ -104,6 +104,12 @@ export const compileEnvironment = (
     return acc;
   }, {} as Environment);
 
+  const networkOverride = environment.VEGA_ENV
+    ? {
+        [environment.VEGA_ENV]: isBrowser ? window.location.origin : undefined,
+      }
+    : {};
+
   return {
     // @ts-ignore enable using default object props
     ETHERSCAN_URL: getDefaultEtherscanUrl(environment['VEGA_ENV']),
@@ -112,5 +118,9 @@ export const compileEnvironment = (
       environment['VEGA_ENV']
     ),
     ...environment,
+    VEGA_NETWORKS: {
+      ...networkOverride,
+      ...environment.VEGA_NETWORKS,
+    },
   };
 };