 The alternative is to walk 10 km up the access road carrying all their equipment.From Lake O'Hara, people going to the hut can follow the signed hiking trails to Lake Oesa to a sign marking the end of the Parks Canada trail, at which point it becomes largely scrambling.A trail has been built to the hut by the Alpine Club, but parts of it are sometimes erased by rockslides, so route finding skills are helpful.