Shadow Mountain Dam and Reservoir, Colorado-Big Thompson Project, are on the Colorado River below its confluence with the Grand Lake outlet. Developments include 1 campground with 80 campsites and 2 boat-launch ramps. Good access exists. Total water surface available for recreation is approximately 1,346 surface acres and 8 miles of shoreline. Primary recreational activities are camping, fishing, and power boating. Primary sport fish are bown trout, rainbow trout, and salmon. Facilities closed in winter due to ice and snow conditions. Current Reservoir Levels.