Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresGuiPlugin.cs
===================================================================
diff -u -ra4982cc86750add1301faf5f3411a58c960a5e6d -r022b4cab3152fc424436d8c251bd3a7601ea8992
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresGuiPlugin.cs	(.../HeightStructuresGuiPlugin.cs)	(revision a4982cc86750add1301faf5f3411a58c960a5e6d)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresGuiPlugin.cs	(.../HeightStructuresGuiPlugin.cs)	(revision 022b4cab3152fc424436d8c251bd3a7601ea8992)
@@ -47,6 +47,11 @@
                 FailureMechanismDisabledChildNodeObjects,
                 (context, o, treeViewControl) => new ContextMenuStrip(),
                 (context, o, treeViewControl) => new ContextMenuStrip());
+
+            yield return RingtoetsTreeNodeInfoFactory.CreateCalculationGroupContextTreeNodeInfo<HeightStructuresCalculationGroupContext>(
+                context => new object[0],
+                (context, o, treeViewControl) => new ContextMenuStrip(),
+                (context, parentNodeData) => { });
         }
 
         #region HeightStructuresFailureMechanismContext TreeNodeInfo
@@ -57,6 +62,7 @@
             return new object[]
             {
                 new CategoryTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Inputs_DisplayName, GetInputs(wrappedData, context.Parent), TreeFolderCategory.Input),
+                new HeightStructuresCalculationGroupContext(wrappedData.CalculationsGroup, wrappedData, context.Parent),
                 new CategoryTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Outputs_DisplayName, GetOutputs(wrappedData), TreeFolderCategory.Output)
             };
         }
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Plugin.Test/HeightStructuresGuiPluginTest.cs
===================================================================
diff -u -r585c9f51efb215f4ead02e4b2c9a69d51fbfd07c -r022b4cab3152fc424436d8c251bd3a7601ea8992
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Plugin.Test/HeightStructuresGuiPluginTest.cs	(.../HeightStructuresGuiPluginTest.cs)	(revision 585c9f51efb215f4ead02e4b2c9a69d51fbfd07c)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Plugin.Test/HeightStructuresGuiPluginTest.cs	(.../HeightStructuresGuiPluginTest.cs)	(revision 022b4cab3152fc424436d8c251bd3a7601ea8992)
@@ -67,8 +67,9 @@
                 TreeNodeInfo[] treeNodeInfos = guiPlugin.GetTreeNodeInfos().ToArray();
 
                 // Assert
-                Assert.AreEqual(1, treeNodeInfos.Length);
+                Assert.AreEqual(2, treeNodeInfos.Length);
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(HeightStructuresFailureMechanismContext)));
+                Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(HeightStructuresCalculationGroupContext)));
             }
 
             mocks.VerifyAll();