diff --git a/token.tokens.inc b/token.tokens.inc
index e0c0b5e..42091a7 100644
--- a/token.tokens.inc
+++ b/token.tokens.inc
@@ -358,6 +358,12 @@ function token_token_info() {
     'dynamic' => TRUE,
   );
 
+  // Site tokens.
+  $info['site']['registration-url'] = array(
+    'name' => t('Registration page'),
+    'description' => t("The URL of the site's registration page."),
+  );
+
   return $info;
 }
 
@@ -895,6 +901,15 @@ function token_tokens($type, $tokens, array $data = array(), array $options = ar
     }
   }
 
+  // Site tokens.
+  if ($type == 'site') {
+    foreach ($tokens as $name => $original) {
+      if ($name == 'registration-url') {
+        $replacements[$original] = url('user/register', array('absolute' => TRUE));
+      }
+    }
+  }
+
   // If $type is a token type, $data[$type] is empty but $data[$entity_type] is
   // not, re-run token replacements.
   if (empty($data[$type]) && ($entity_type = token_get_entity_mapping('token', $type)) && $entity_type != $type && !empty($data[$entity_type]) && empty($options['recursive'])) {