WEBSITES

Lesson Plans from National Geographic some of which could be adapted to the Himalayas.
http://www.nationalgeographic.com/xpeditions/lessons/01/g68/dogstails.html

Of course there's also Google World.
http://earth.google.com/coverage/india_lg.jpg

BOOKS

Himalaya: Life on the Edge of the World (1999). Zurich, David and Karan, P.P. Baltimore, MD: The Johns Hopkins University Press.

Illustrated Atlas of the Himalaya (2006). Zurich, David and Pacheco, Julsun. Lexington, KY: University Press of Kentucky.

As absolutely wonderful as this atlas is, nothing beats a real 3D topographical map that students can touch.