During the summer months access to the preserve is by small airplane, boat, or foot. Planes can land on an unimproved dirt landing strip at Serpentine Hot Springs or on several beaches and lakes. A list of permitted chartered air taxis that can operate within Bering Land Bridge is available in pdf format by clicking on the following link: Commercial Use Operators . Private pilots may also land airplanes within the preserve. The use of helicopters, ATVs and other off-road vehicles is prohibited. The tires of these vehicles cause damage to the tundra that scars the landscape for generations. Winter access is primarily by bush planes on skis or dog sleds. Once there is adequate snow cover, access can also be made via snowmobile.