diff --git a/frontend/src/pages/TreeEditorPage.tsx b/frontend/src/pages/TreeEditorPage.tsx
index 1715617a..203d9718 100644
--- a/frontend/src/pages/TreeEditorPage.tsx
+++ b/frontend/src/pages/TreeEditorPage.tsx
@@ -15,7 +15,7 @@ export function TreeEditorPage() {
   const { id } = useParams<{ id: string }>()
   const navigate = useNavigate()
   const isEditMode = !!id
-  const { canCreateTrees } = usePermissions()
+  const { canCreateTrees, canEditTree } = usePermissions()
 
   const {
     name,
@@ -93,6 +93,10 @@ export function TreeEditorPage() {
         setLoading(true)
         try {
           const tree = await treesApi.get(id)
+          if (!canEditTree({ author_id: tree.author_id, team_id: tree.team_id })) {
+            navigate('/trees')
+            return
+          }
           loadTree(tree)
         } catch (err) {
           console.error('Failed to load tree:', err)