diff --git a/OpenSim/Region/ClientStack/Linden/Caps/SimulatorFeaturesModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/SimulatorFeaturesModule.cs
index 0bfce343fb..a271789585 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/SimulatorFeaturesModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/SimulatorFeaturesModule.cs
@@ -200,6 +200,11 @@ namespace OpenSim.Region.ClientStack.Linden
                 extrasMap["AvatarSkeleton"] = true;
                 extrasMap["AnimationSet"] = true;
 
+                extrasMap["MinSimHeight"] = Constants.MinSimulationHeight;
+                extrasMap["MaxSimHeight"] = Constants.MaxSimulationHeight;
+                extrasMap["MinHeightmap"] = Constants.MinTerrainHeightmap;
+                extrasMap["MaxHeightmap"] = Constants.MaxTerrainHeightmap;
+
                 // TODO: Take these out of here into their respective modules, like map-server-url
                 if (!string.IsNullOrWhiteSpace(m_SearchURL))
                     extrasMap["search-server-url"] = m_SearchURL;