Originally Posted by
Kunihiro
I was just up there a week ago and the upper lakes in the Mammoth area are still frozen over. Those are Upper Twins, Lakes George, and Mary. The lakes that are open are Lower Twins, Rock Creek, Convict, June Lake Loop and Twin Lakes - Bridgeport. I would call one of the local stores and double check to see what lakes in the Mammoth area are open. Kittridge Sports (760) 934-7566, is a good place to check. You can also check The Troutfitter, flyfishing store, (760) 924-3676.