With winter dominating the Calgary climate scene, summer sport enthusiasts are often forced to retreat indoors. Calgary Climbing Centre - Stronghold offers year-round climbing for those wintry days when the real mountains are just too cold. The Stronghold boasts an impressive area of climbing including bouldering caves and 30 climbing walls of varying difficulties. The facility comes complete with showers, change rooms and equipment rentals. The qualified staff also offers a range of instruction for adults, youth and corporate groups. do call ahead to plan your visit.