diff --git a/.changeset/silly-fishes-try.md b/.changeset/silly-fishes-try.md
new file mode 100644
index 0000000000..d049873c00
--- /dev/null
+++ b/.changeset/silly-fishes-try.md
@@ -0,0 +1,5 @@
+---
+"@react-router/dev": minor
+---
+
+Fix: decode Windows paths in dev mode to prevent ENOENT
diff --git a/contributors.yml b/contributors.yml
index 9927f078ff..35b5507e5f 100644
--- a/contributors.yml
+++ b/contributors.yml
@@ -427,3 +427,4 @@
 - zeromask1337
 - zheng-chuang
 - zxTomw
+- drewkovihair
\ No newline at end of file
diff --git a/packages/react-router-dev/vite/plugin.ts b/packages/react-router-dev/vite/plugin.ts
index 501a8a11e1..42a62c921b 100644
--- a/packages/react-router-dev/vite/plugin.ts
+++ b/packages/react-router-dev/vite/plugin.ts
@@ -3650,7 +3650,9 @@ export async function getEnvironmentOptionsResolvers(
                   let isRootRoute =
                     route.file === ctx.reactRouterConfig.routes.root.file;
 
-                  let code = readFileSync(routeFilePath, "utf-8");
+                  let cleanPath = path.normalize(decodeURIComponent(routeFilePath));
+                  let code = readFileSync(cleanPath, "utf-8");
+
 
                   return [
                     `${routeFilePath}${BUILD_CLIENT_ROUTE_QUERY_STRING}`,