The Everest Challenge is a fun, one-day team hiking event taking place at Mont Ste. Marie in support of Kids Help Phone. Build a team and work together to collectively climb the height of Mount Everest! Teams of 2-20 will climb Mont Ste. Marie together to reach the combined height of 29,092 ft. — the height of Mount Everest. Teams of 3 will climb 10 times, teams of 6 will climb 5 times…etc.