Wishon Reservoir One of the many Pacific Gas & Electric waterways, Wishon is surrounded by John Muir Wilderness as is evidenced by the picture at the right! Campgrounds, hiking trails and trout fishing await you. For an area map click on map. For a great play to stay be sure to check out: Wishon Village RV Resort If you're interested in horse back riding, click on Clyde Pack Outfit. Back to Sierra Gateway