Vacations at Allegany Mountain Resort at Rainbow Lake are an experience like no other. Whether it's a breathtaking view of Rainbow Lake, the feel of crisp morning air, or enjoying the best vacation ever, there's a sense of wonderment here that feels real and genuine. It's no wonder guests come here year after year. Allegany Mountain Resort at Rainbow Lake offers 725 spacious RV sites surrounding Rainbow Lake. We also have beautiful hillside campsites overlooking the lake nestled in nature. Sites have water and electric hook-up. Each site allows for an RV, 2 additional vehicles and 1 golf cart. We currently offer fully equipped one or two bedroom rental units for those who do not own an RV.