Page Type Page Type: Mountain/Rock
Location Lat/Lon: 32.24300°N / 113.0281°W
Additional Information County: Pima
Activities Activities: Hiking, Bouldering
Seasons Season: Spring, Summer, Fall, Winter
Additional Information Elevation: 3293 ft / 1004 m
Sign the Climber's Log


Gro Benchmark is the highest point in the Growler Mountains.  These remote mountains rise above the desert plains just west of Organ Pipe Cactus National Monument.  The Growlers are located in the Cabeza Prieta National Wildlife Refuge.

Few people ever climb Gro Benchmark.  A check of reveals only six registered ascents as of March 2018.  But for those willing to venture off into the desert wilderness, an ascent of Gro Benchmark makes for a worthy objective.

Getting There

From Hwy 85 just south of Ajo, turn onto Darby Wells Road.  Zero your odometer here. At 1.9 miles, stay left on the now Bates Well Road.  At 9.5 miles, go right.  At 10.5 miles, go right.  At 11.9 miles, go right.  You are now just northeast of Lime Hill.  At 13.0 miles, you will reach the Cabeza Prieta National Wildlife Refuge boundary south of Camerons Tank.  Recreational vehicles are “officially” prohibited from traveling any further.  If you park here, it will be a long walk.  If you decide to continue on, turn left at 13.1 miles onto a road not shown on the topo map.  The road ends at 15.0 miles.  The last few miles of the road are rough. 

Route - Camerons Tank

See the attached GPS track.  If you start from the end of the road, the hiking distance is around 4.75 miles, with about 1,800’ of total gain.  There is some rock scrambling around 2,500’ where the ridge narrows.  Otherwise, this is a Class 1 and 2 hike across moderate terrain.    


External Links

Peakbagger Page for Gro Benchmark

GPS Track

Barry Goldwater Range

Cabeza Prieta National Wildlife Refuge

Growler Mountains

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surgent - Mar 30, 2018 10:09 am - Hasn't voted

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