diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99923f361..71c18785c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # v1.1.16
 ## xx/xx/2017
 
+1. [](#new)
+    * Exposed the Pages cache ID for use by plugins (e.g. Form) via `Pages::getPagesCacheId()`
 1. [](#improved)
     * Allowed CLI to use non-volatile cache drivers for better integration with CLI and Web caches
 
diff --git a/system/src/Grav/Common/Page/Pages.php b/system/src/Grav/Common/Page/Pages.php
index 9fbebc824..f8fb702c7 100644
--- a/system/src/Grav/Common/Page/Pages.php
+++ b/system/src/Grav/Common/Page/Pages.php
@@ -90,6 +90,8 @@ class Pages
      */
     static protected $home_route;
 
+    protected $pages_cache_id;
+
     /**
      * Constructor
      *
@@ -769,14 +771,14 @@ class Pages
                     $hash = Folder::lastModifiedFile($pages_dir);
             }
 
-            $page_cache_id = md5($pages_dir . $hash . $language->getActive() . $config->checksum());
+            $this->pages_cache_id = md5($pages_dir . $hash . $language->getActive() . $config->checksum());
 
-            list($this->instances, $this->routes, $this->children, $taxonomy_map, $this->sort) = $cache->fetch($page_cache_id);
+            list($this->instances, $this->routes, $this->children, $taxonomy_map, $this->sort) = $cache->fetch($this->pages_cache_id);
             if (!$this->instances) {
                 $this->grav['debugger']->addMessage('Page cache missed, rebuilding pages..');
 
                 // recurse pages and cache result
-                $this->resetPages($pages_dir, $page_cache_id);
+                $this->resetPages($pages_dir, $this->pages_cache_id);
 
             } else {
                 // If pages was found in cache, set the taxonomy
@@ -793,9 +795,8 @@ class Pages
      * Accessible method to manually reset the pages cache
      *
      * @param $pages_dir
-     * @param $page_cache_id
      */
-    public function resetPages($pages_dir, $page_cache_id)
+    public function resetPages($pages_dir)
     {
         $this->recurse($pages_dir);
         $this->buildRoutes();
@@ -808,7 +809,7 @@ class Pages
             $taxonomy = $this->grav['taxonomy'];
 
             // save pages, routes, taxonomy, and sort to cache
-            $cache->save($page_cache_id, [$this->instances, $this->routes, $this->children, $taxonomy->taxonomy(), $this->sort]);
+            $cache->save($this->pages_cache_id, [$this->instances, $this->routes, $this->children, $taxonomy->taxonomy(), $this->sort]);
         }
     }
 
@@ -1164,4 +1165,17 @@ class Pages
 
         return $new;
     }
+
+    /**
+     * Get the Pages cache ID
+     *
+     * this is particularly useful to know if pages have changed and you want
+     * to sync another cache with pages cache - works best in `onPagesInitialized()`
+     *
+     * @return mixed
+     */
+    public function getPagesCacheId()
+    {
+        return $this->pages_cache_id;
+    }
 }