Mile 29 - Silver Grotto
Located within Shinumo Wash, Silver Grotto is a rounded natural amphitheater that has been created by floodwaters polishing hard limestone. Shinumo is a word of Southern Paiute origin, meaning old people or cliff dwellers.
Grand Canyon
6 or 7 Day Rafting Vacation
6 or 7 Day Rafting Vacation
Lower Grand Canyon Mile by Mile »
The lower Grand Canyon, as traveled by Western's 3 or 4 day expedition begins at Whitmore Wash (mile 188) and finishes at Lake Mead (mile 277).
