diff --git a/src/GitLabApiClient/GroupsClient.cs b/src/GitLabApiClient/GroupsClient.cs
index 11708bbf..656d945c 100644
--- a/src/GitLabApiClient/GroupsClient.cs
+++ b/src/GitLabApiClient/GroupsClient.cs
@@ -59,6 +59,14 @@ public async Task<Group> GetAsync(GroupId groupId) =>
         public async Task<IList<Group>> GetSubgroupsAsync(GroupId groupId) =>
             await _httpFacade.GetPagedList<Group>($"groups/{groupId}/subgroups");
 
+        /// <summary>
+        /// Get a list of visible descendant groups of this group.
+        /// This endpoint can be accessed without authentication if the group is publicly accessible.
+        /// </summary>
+        /// <param name="groupId">The ID, path or <see cref="Group"/> of the group.</param>
+        public async Task<IList<Group>> GetDescendantGroupsAsync(GroupId groupId) =>
+            await _httpFacade.GetPagedList<Group>($"groups/{groupId}/descendant_groups");
+
         /// <summary>
         /// Get all groups that match your string in their name or path.
         /// </summary>
diff --git a/src/GitLabApiClient/IGroupsClient.cs b/src/GitLabApiClient/IGroupsClient.cs
index f25490fa..2c2a25f7 100644
--- a/src/GitLabApiClient/IGroupsClient.cs
+++ b/src/GitLabApiClient/IGroupsClient.cs
@@ -28,6 +28,13 @@ public interface IGroupsClient
         /// <param name="groupId">The ID, path or <see cref="Group"/> of the group.</param>
         Task<IList<Group>> GetSubgroupsAsync(GroupId groupId);
 
+        /// <summary>
+        /// Get a list of visible descendant groups of this group.
+        /// This endpoint can be accessed without authentication if the group is publicly accessible.
+        /// </summary>
+        /// <param name="groupId">The ID, path or <see cref="Group"/> of the group.</param>
+        Task<IList<Group>> GetDescendantGroupsAsync(GroupId groupId);
+
         /// <summary>
         /// Get all groups that match your string in their name or path.
         /// </summary>