Descent from Bar B to old highway 191
The Killer B is a very short but insanely steep downhill route in the Brand Trails . It extends from the south end of the Bar B loop to old highway 191 . Killer B itself is only 0.8 miles in length, but the minimum ride that will get you on this trail is 8.4 miles.
0.0 Exit parking, turn right and ride south
0.7 Pass Gemini underpass, keep straight
1.7 Fork L (leave 191)
2.3 Fork R (L = Bar M shortcut)
2.9 Keep straight (Bar M loops to L)
After 100 feet, fork R on ST = Bar B
4.3 Fork R downhill on Killer B
4.6 Veer R on narrow trail
4.9 Fork. Ride R or go L and start hiking!
5.0 R on Old 191 uphill
6.7 Straight on Bar M
8.4 Back at parking
From the north: Drive south on US-191 for 22 miles south of I-70. From Moab, drive 7 miles north from the Colorado River on 191. When you see the Gemini Bridges parking area, look for a gravel road on the opposite side (east, away from the cliffs). Turn onto the gravel road and immediately go right, then right again into the parking area. GPS N 38° 39.38' W 109° 40.66'. The trail starts by riding the gravel road either north or south. Our ride description assumes you'll ride south out of the parking lot, counterclockwise on the Bar M.