Rock Creek Lake, California's Eastern Sierra Nevada: Information about mountain biking, hiking, backpacking, camping, fishing, and local weather in the Eastern Sierra area. Also a chat feature, and a photo gallery.
Sierra 411: Attractions, dining, shopping, hiking and backpacking opportunities in the Eastern Sierra, Mammoth Lakes, and Bishop .
Sierra Nevada Adventure Company: Retail shops in Arnold and Sonora specializing in kayak and canoe rentals, snowshoe and telemark ski rentals.
Sierra Nevada Recreation Corporation: Guided tours through Black Chasm Cavern, Boyden Cavern, California Cavern and Moaning Cavern.
Sierra Outdoor Recreation: Comprehensive guides to outdoor adventures with clickable maps, plus detailed access to various destinations within the Sierras.