The Junior A Mountaineers Lacrosse Club was established in 2006 as an expansion team to the Rocky Mountain Lacrosse League (RMLL) Junior A program bringing the total number of Junior A lacrosse teams in Alberta to four. Playing out of Calgary, the Mounties home rink is Stu Peppard.[1] The Mounties have played in 2 Minto Cup Championships, once being hosted in 2008 at Max Bell Arena[2]
The Jr.A Mountaineers were the 2012 Alberta Champions and were one of the only Alberta based teams to reach the Semi-Finals in the Minto Cup.[3] They did so in 2008 and lost to the Victoria Jr.A Shamrocks with the Orangeville Northmen eventually winning the Championship.