diff --git a/app/src/data/apps/apps.json b/app/src/data/apps/apps.json
index 7622b0d4f..306083c25 100644
--- a/app/src/data/apps/apps.json
+++ b/app/src/data/apps/apps.json
@@ -255,8 +255,8 @@
   },
   {
     "type": "iframe",
-    "slug": "cliff-watch",
-    "title": "Cliff Watch",
+    "slug": "cliffwatch",
+    "title": "CliffWatch",
     "description": "Interactive calculator showing how benefits, refundable tax credits, taxes, and net income change for US households as earnings rise",
     "source": "https://cliff-watch.vercel.app/",
     "tags": ["us", "featured", "policy", "interactives"],
diff --git a/website/next.config.ts b/website/next.config.ts
index 1fdd720d6..642a57196 100644
--- a/website/next.config.ts
+++ b/website/next.config.ts
@@ -66,6 +66,17 @@ const nextConfig: NextConfig = {
         destination: "/us/california-wealth-tax/:path*",
         permanent: true,
       },
+      // CliffWatch renamed from cliff-watch → cliffwatch
+      {
+        source: "/:countryId/cliff-watch",
+        destination: "/:countryId/cliffwatch",
+        permanent: true,
+      },
+      {
+        source: "/:countryId/cliff-watch/:path*",
+        destination: "/:countryId/cliffwatch/:path*",
+        permanent: true,
+      },
     ];
   },
 
diff --git a/website/src/data/appZoneRoutes.ts b/website/src/data/appZoneRoutes.ts
index 234d5079b..d22bf2273 100644
--- a/website/src/data/appZoneRoutes.ts
+++ b/website/src/data/appZoneRoutes.ts
@@ -115,10 +115,15 @@ export const appZoneRoutes: AppZoneRoute[] = [
       "https://coverage-compass-policy-engine.vercel.app/us/coverage-compass",
   },
   {
-    source: "/us/cliff-watch",
+    source: "/us/cliffwatch",
     destination: "https://cliff-watch.vercel.app/",
     deepDestination: "https://cliff-watch.vercel.app/:path*",
   },
+  {
+    source: "/uk/cliffwatch",
+    destination: "https://cliff-watch.vercel.app/?country=uk",
+    deepDestination: "https://cliff-watch.vercel.app/:path*?country=uk",
+  },
   {
     source: "/us/marriage",
     destination: "https://marriage-zeta-beryl.vercel.app/us/marriage",