This document provides an overview and safety guidelines for snowmobiling. It covers preparing equipment and clothing, loading and transporting snowmobiles, basic trail riding techniques, off-trail riding in different conditions, and scenarios specific to the Tahoe/Truckee areas. Topics include starting and controlling snowmobiles, different riding positions, group riding protocols, navigating trees, water crossings, powder, sidehilling and climbing. Safety rules emphasize understanding mechanics, respecting capabilities and limitations, skillful maneuvering, following laws, good judgment and respecting others and the environment.