Boating ( LAKE CHELAN, WENATCHEE ) – Motorized or man-powered, we have you covered. Visit Washington's Playground and enjoy the waters of our lakes and rivers from the comfort of your own craft. The 55-mile long glacially-carved Lake Chelan is one of the most popular boating waterways in the state. Want to fish? Check. Want to wakeboard or parasail? Check. Want to relax, sunbathe, and swim? Check. Now, check out Washington's Playground!