The New 2025 Keystone Alpine Avalanche 366LS is a 5th Wheel built for travelers who want space and straightforward comfort. This Keystone Alpine Avalanche 366LS brings the trusted Alpine Avalanche name to a New RV that’s ready for family trips or long weekends with friends. Sized for real-world camping, the 2025 Keystone Alpine Avalanche 366LS measures 40 feet 10 inches in length and sleeps up to 6. Key towing numbers are clear and easy to plan around. Dry weight is 14,027 lbs, and GVWR is 16,200 lbs, so you can match it with an appropriate truck and travel with confidence. The Keystone Alpine Avalanche 366LS focuses on room for people and gear, with the capacity to handle group travel without feeling cramped. As a 5th Wheel, it offers the kind of stable tow and generous interior volume many RVers prefer, making extended getaways more comfortable for a crew of six. Want to learn more about the 2025 Keystone Alpine Avalanche 366LS and how it fits your plans? Reach out or stop by to see it in person at Midway RV, and get answers to your questions from a team that knows the product.