diff --git a/01.curriculum/01.physics-chemistry-biology/02.niv2/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.niv2/topic.en.md
index dfd892844..4c3318b39 100644
--- a/01.curriculum/01.physics-chemistry-biology/02.niv2/topic.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/02.niv2/topic.en.md
@@ -1,7 +1,7 @@
 ---
 title: hills
 published: true
-routable: false
+routable: true
 visible: false
 ---