Lost Valley Lake is an exclusive private owner resort, 537 developed acres, established in 1982. The resort offers outstanding amenities, boating, horseback riding, restaurant, market, indoor and outdoor sports and year-round activities that can be enjoyed in a 24-hour secured, beautifully maintained setting. Lost Valley Lake is an RV owners dream with beautiful campsites & amenities. Good Sam, Coast to Coast and Resorts of Distinction park. Other accommodations include Condominiums, Villas, tent camping areas, teepees...a world of outdoor adventure awaits at LVL.