The trail is visible from Google Earth with waypoints at the trailhead and at Yaquitepec.
Mile Posts 22 and 27 on State Hwy S-2.
South of Mile Post 22 is the entrance to Blair Valley. South of Mile Post 27 is the
entrance to Rainbow Canyon which can be hiked into Blair Valley. See Lindsay’s Anza-
Borrego Desert Region Guide for details about this hike and for the map in the pocket of
this guidebook. The map is also available separately. See the Shopping Cart Book
Selection.