CALIFORNIA HIKER Lembert Dome. Photo by California Hiker. Yosemite Lembert Dome and Dog Lake Dog Lake and Lembert Dome are located in the High Sierras of Yosemite's Tuolumne Meadows. The hikes start at about 8000 or 9000 feet height. Road 120 goes through Tuolumne Meadows Typically it's open late Sping to early Fall. Check road conditions before going. Official Website: Yosemite Have a look at my hiking photos (NEXT, below)! Photos and Graphics by California Hiker. Please do not take!