Climbing Near Cornell, Illinois

Moderately-sized ice, a short half mile walk from the road. After you register at the Park Maintenance building, go up to Hwy 71 and drive to the east end of the Park.  After the road descends to the river's edge, find the first parking lot on the right.  The trail back into the canyon leads from the west corner of the lot.  After you pass Council Overhang, take the right (west) fork of the canyon.

A long walk to a short flow - Tonti's sister canyon. From Parkman's Plain.After you register at the Park Maintenance building, go up to Hwy 71 and drive to the east.  After a number of twists in the road, the Parkman's Plain parking area is on your left, with a sign that declares "Lasalle and Tonti Canyons".Follow the trail north, descend the Owl Canyon stairs (no crampons) to the river's edge, and head back west along the river trail.  Finally arrive at the mouth of Lasalle and Tonti Canyons, where a large arched bridge crosses the creek.  Head up the left side of the canyon, staying in the left (east) fork.

Also spelled "Tonty". A deep, secluded canyon with tall ice. The wooden trail structures are in horrible shape (2021) and have been closed to hiking for a couple of years. Only registered ice climbers have permission to be back here! From Parkman's Plain: After you register at the Park Maintenance building, go up to Hwy 71 and drive to the east. After a number of twists in the road, the Parkman's Plain parking area is on your left, with a sign that declares "Lasalle and Tonti Canyons". Follow the trail north, descend the Owl Canyon stairs (no crampons) to the river's edge, and head back west along the river trail. Finally arrive at the mouth of Lasalle and Tonti Canyons, where a large arched bridge crosses the creek. Cross the bridge and head up the right side of the canyon, staying in the right (west) fork.