(8 miles from West Side Road)
This canyon drains from the park's highest elevation 11,049 ft. Telescope Peak. The road climbs the huge alluvial fan before dropping into the gravel wash at the canyon's mouth 5 miles in (4X4 recommended in wash). Follow the south fork of the canyon to road's end, downstream from Hanaupah Springs. Hikers can continue past the end of the road. Camp at least 200 yards from any water source. No Camping First 2 Miles.