diff --git a/frontend/src/Router.test.tsx b/frontend/src/Router.test.tsx
index 412ee8cad..fdb60f843 100644
--- a/frontend/src/Router.test.tsx
+++ b/frontend/src/Router.test.tsx
@@ -65,6 +65,14 @@ describe("Router", () => {
       });
     });
 
+    it("returns session detail route correctly", () => {
+      const segments: string[] = ["session", "device-id"];
+      expect(segmentsToRoute(segments)).toEqual({
+        type: "session",
+        id: "device-id",
+      });
+    });
+
     it("returns unknown for other segments", () => {
       const segments: string[] = ["just", "testing"];
       expect(segmentsToRoute(segments)).toEqual({ type: "unknown", segments });
diff --git a/frontend/src/Router.tsx b/frontend/src/Router.tsx
index 7d7e47fee..0931bc872 100644
--- a/frontend/src/Router.tsx
+++ b/frontend/src/Router.tsx
@@ -27,6 +27,7 @@ type Location = {
 
 type ProfileRoute = { type: "profile" };
 type SessionOverviewRoute = { type: "sessions-overview" };
+type SessionDetailRoute = { type: "session"; id: string };
 type OAuth2ClientRoute = { type: "client"; id: string };
 type OAuth2SessionList = { type: "oauth2-session-list" };
 type BrowserSessionRoute = { type: "browser-session"; id: string };
@@ -37,6 +38,7 @@ type UnknownRoute = { type: "unknown"; segments: string[] };
 
 export type Route =
   | SessionOverviewRoute
+  | SessionDetailRoute
   | ProfileRoute
   | OAuth2ClientRoute
   | OAuth2SessionList
@@ -52,6 +54,8 @@ const routeToSegments = (route: Route): string[] => {
       return [];
     case "sessions-overview":
       return ["sessions-overview"];
+    case "session":
+      return ["session", route.id];
     case "verify-email":
       return ["emails", route.id, "verify"];
     case "client":
@@ -128,6 +132,10 @@ export const segmentsToRoute = (segments: string[]): Route => {
     return { type: "browser-session", id: segments[1] };
   }
 
+  if (matches("session", P)) {
+    return { type: "session", id: segments[1] };
+  }
+
   return { type: "unknown", segments };
 };
 
@@ -170,6 +178,7 @@ export const routeAtom = atom(
 );
 
 const SessionsOverview = lazy(() => import("./pages/SessionsOverview"));
+const SessionDetail = lazy(() => import("./pages/SessionDetail"));
 const Profile = lazy(() => import("./pages/Profile"));
 const OAuth2Client = lazy(() => import("./pages/OAuth2Client"));
 const BrowserSession = lazy(() => import("./pages/BrowserSession"));
@@ -186,6 +195,8 @@ const InnerRouter: React.FC = () => {
       return <Profile />;
     case "sessions-overview":
       return <SessionsOverview />;
+    case "session":
+      return <SessionDetail deviceId={route.id} />;
     case "oauth2-session-list":
       return <OAuth2SessionList />;
     case "browser-session-list":
diff --git a/frontend/src/pages/SessionDetail.tsx b/frontend/src/pages/SessionDetail.tsx
new file mode 100644
index 000000000..73027e1c8
--- /dev/null
+++ b/frontend/src/pages/SessionDetail.tsx
@@ -0,0 +1,23 @@
+// Copyright 2023 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+const SessionDetail: React.FC<{ deviceId: string }> = ({ deviceId }) => {
+  return (
+    <pre>
+      <code>Session: {deviceId}</code>
+    </pre>
+  );
+};
+
+export default SessionDetail;