diff --git a/src/Plugin/Block/MenuBlock.php b/src/Plugin/Block/MenuBlock.php
index fab522a..15edf4f 100644
--- a/src/Plugin/Block/MenuBlock.php
+++ b/src/Plugin/Block/MenuBlock.php
@@ -47,7 +47,20 @@ class MenuBlock extends SystemMenuBlock {
 
     /** @var \Drupal\Core\Menu\MenuParentFormSelectorInterface $menu_parent_selector */
     $menu_parent_selector = \Drupal::service('menu.parent_form_selector');
-    $form['advanced']['parent'] = $menu_parent_selector->parentSelectElement($config['parent'], '', $menus);
+    if (strpos($config['parent'], 'active_trail') === false) {
+      $form['advanced']['parent'] = $menu_parent_selector->parentSelectElement($config['parent'], '', $menus);
+    }
+    else {
+      $form['advanced']['parent'] = [
+        '#type' => 'select',
+        '#options' => $menu_parent_selector->getParentSelectOptions('', $menus),
+        '#default_value' => $config['parent'],
+      ];
+    }
+    $form['advanced']['parent']['#options'] += [
+      $menu_name . ':active_trail' => $this->t('<Active trail>')->render(),
+      $menu_name . ':active_trail_parent' => $this->t('<Active trail parent>')->render(),
+    ];
 
     $form['advanced']['parent'] += [
       '#title' => $this->t('Fixed parent item'),
@@ -133,7 +146,22 @@ class MenuBlock extends SystemMenuBlock {
     }
     // When a fixed parent item is set, root the menu tree at the given ID.
     if ($menuLinkID = str_replace($menu_name . ':', '', $parent)) {
-      $parameters->setRoot($menuLinkID);
+      // Active trail or Active trail parent option.
+      if (strpos($menuLinkID, 'active_trail') !== false) {
+        $trailIds = $this->menuActiveTrail->getActiveTrailIds($menu_name);
+        $trailIds = array_reverse(array_filter($trailIds));
+        if ($menuLinkID == 'active_trail') {
+          $menuLinkID = end($trailIds);
+        }
+        // Active trail parent.
+        else {
+          array_pop($trailIds);
+          $menuLinkID = end($trailIds);
+        }
+      }
+      if ($menuLinkID) {
+        $parameters->setRoot($menuLinkID);
+      }
 
       // If the starting level is 1, we always want the child links to appear,
       // but the requested tree may be empty if the tree does not contain the