Overview Lake Irwin Campground is situated on the western banks of its picturesque namesake lake, approximately 9 miles from Crested Butte, Colorado. Visitors enjoy the area for its abundant trail opportunities, fishing and beautiful scenery.Recreation Mountain biking and hiking are popular activities in this challenging, rugged terrain. Canoeing and fishing are favorite pastimes as well. The lake is usually so full of fish, one can see them rise to the calm surface. Facilities The campground of