Icehouse Canyon Trailhead.Crossing Icehouse Creek en route to Falling Rock Canyon.Starting up Falling Rock Canyon.View back.Fork in the canyon. Stay right.Painted green dots (of dubious origin) indicate the route.View back.The grade lessens around 6,000 feet.Exiting Falling Rock Canyon for a slope to the right.View back.Climbing the talus slope to the saddle between Sugarloaf Peak and Ontario Peak.View back. Mount Baldy is on the far left, Telegraph Peak on the far right.Approaching the saddle.Along Sugarloaf Peak's east ridge. The true summit is on the left, past the false summit ahead.View toward Sugarloaf Peak from the false summit.Following a use trail to the true summit.View back. In the distance are the three namesake peaks of the popular "Three T's" trek: Thunder Mountain, Telegraph Peak, and Timber Mountain.Sugarloaf Peak summit.View north toward Mount Baldy (right) and Telegraph Peak (left).View south toward Ontario Peak, my next destination.Returning along the use trail to the Sugarloaf-Ontario saddle.Starting up Ontario Peak's north slope.View back toward the Sugarloaf-Ontario saddle.View back toward Mount Baldy.Ontario Peak comes into view on the right.View back.Joining the Ontario Peak Trail.Ontario Peak summit. View southwest.View east along the ridge to Bighorn Peak (right of center).Headed east along the Ontario Peak Trail.View north toward Mount Baldy.View back toward Ontario Peak.Turnoff for Bighorn Peak.Along a spur trail to Bighorn Peak.View back.Approaching Bighorn Peak's west slope.View back toward Ontario Peak.Bighorn Peak summit.Continuing along Bighorn Peak's east ridge. Cucamonga Peak looms to the south.Descending Bighorn Peak's north slope.Rejoining the Ontario Peak Trail near Icehouse Saddle (right).Along the Icehouse Canyon Trail.Joining the Chapman Trail, a slightly longer but more scenic route back to Icehouse Canyon Trailhead.Approaching Cedar Glen Campground.View along Cedar Canyon. The Sugarloaf-Ontario saddle is clearly visible, left of center.Returning to Icehouse Canyon.Rejoining the Icehouse Canyon Trail about a mile from the trailhead.