MicroNet Template The Sierra Nevada Resort and Spa Share: Lodging and Travel The Sierra Nevada Resort and Spa Visit Website Request Info 164 Old Mammoth Rd. Mammoth Lakes, CA 93546 (760) 934-2515 About Map About 148 Room hotel in the downtown part of Mammoth. with three Restaurants on property, full service spa, pool and jacuzzi, Kids Club and other amazing amenities to offer to all sorts of groups! What's Nearby? Distance: 5 10 15 20 25 50 mi.