Mammoth Mountain RV Park, Central Sierra Nevada, California - Rates, Dates, Payment methotds, Discounts RATES, DATES, DISCOUNTS, PAYMENT METHODS: Standard Paved Site Water, Electric (30 amp), and Cable T. V. $42. 00/night (Rates are for 1-2 people) Larger, Wooded Site (Full Hook-ups) Water, Electric (30 or 50 amp available), Sewer, and Cable T. V. $47. 00/night (Rates are for 1-2 people) *Each extra person is $3. 00/night Tent Site $27. 00/night (Rates are for 1-2 people) *Each extra person is $3. 00/night