Hiking Mt. Baldy via Bear Canyon Trail (Old Mt. Baldy Trail) May 1, 2017 The Bear Canyon Trail, also known as Old Mt. Baldy Trail, is one of the toughest routes leading to the 10,064 summit of Mt. Baldy. Gaining 5,848ft in 6.4 miles, this hike requires a solid base level of fitness and a lot of determination.