Looping around and joining 121 to the Burr Trail pavement is Sinkholes, an unmaintained 2-track through junipers, pinyons, and open fields of sagebrush. This trail has a few minor washouts where high clearance is necessary. Even with the washouts, 2WD should be adequate to handle this bumpy trail. Despite the name, no sinkholes were found along the trail! The closest thing you will find is the large ravine alongside the southern end of the trail, with clear evidence of major flash floods. Camping is relatively limited to a few small campsites that may accommodate 1-2 vehicles each.