The following interactive map is initially centered on the target summit (Thunder Mountain), but may be scrolled around by simply grabbing hold of the map image with the mouse and dragging. The controls at the top may also be used to pan around, adjust magnification, and select different map types. Clicking a peak marker displays a window containing information about the summit.

Legend
	Summit of Thunder Mountain - click here to re-center map on this peak
	Highest saddle connecting Thunder Mountain with a higher summit
	An official VRMC California Thirteener summit
	A summit that narrowly fails the official VRMC California Thirteener passing criteria