The lake is home to a variety of fish species, including rainbow trout, brown trout, and cutthroat trout. Nearby activities include hiking, camping, and mountain biking. Fishing tips for Alexander Lake include using small lures or flies, and fishing from a boat or float tube. The best time to visit is during the summer months, from June to August, with an average temperature of 70-80°F during the day and 40-50°F at night. Overall, Alexander Lake is a great destination for anglers and outdoor enthusiasts looking to enjoy a serene and peaceful mountain setting.