Wumpa Island

Wumpa Island is the neighboring island to N. Sanity Island. Uka Tree is located at the top of it, but there are also volcanoes and a Mojo Temple on the island. It's actually fairly similar to N. Sanity. In the non-canon DS and GBA versions of Crash of the Titans, there is another island called called N. Trapment Island which looks similar to a part of the island called The Lumberyard.