Fortress Lake Retreat  Fortress Lake offers some of the largest brook trout on the planet. Fortress Lake Retreat provides trophy brook trout anglers a full service lodge accommodation, semi-guided fishing experience. The Fortress Lake valley also provides hikers, canoeists, and kayakers a back country oasis to discover. Awarded 2011 & 2013 Orvis Endorsed Expedition of the Year as well as 2012 finalist! Fortress Lake Retreat has a low maximum capacity of 14 guests. The cozy, comfortable cabins and cuisine enjoyed in the mountain ambience will make you feel right at home.  Map & Directions