diff --git a/layouts/404.html b/layouts/404.html
new file mode 100644
index 0000000..a832ac1
--- /dev/null
+++ b/layouts/404.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html lang="{{ .Site.LanguageCode }}" class="h-100">
+{{ partial "head.html" . }}
+<body class="d-flex flex-column justify-content-between">
+  {{ partial "nav.html" . }}
+
+  <div class="container py-4">
+    <h2>Page Not Found</h2>
+
+    <p>
+      The page you requested cannot be found.
+    </p>
+
+    <p>
+      <a href="/">Return to home page</a>
+    </p>
+
+    <hr>
+
+    <h2>Page introuvable</h2>
+
+    <p>
+      La page que vous avez demandée est introuvable.
+    </p>
+
+    <p>
+      <a href="/fr/">Retourner à l'accueil</a>
+    </p>
+
+  </div>
+
+
+  {{ partial "footer.html" . }}
+</body>
+</html>
