Take exit #15 (Lake Sammamish State Park).
Turn left and go over the freeway onto the Renton/Issaquah Road, which becomes SE 56th Street.
Follow past Costco, the Fed Ex depot, and the 76/Brown Bear station.
At the signal, turn left onto E. Lake Sammamish Parkway. Continue about one mile.
Turn right onto SE 43rd Way, which becomes SE 228th Ave.
Continue about 1.5 miles up the hill to SE 24th Street.
Turn right at intersection of SE 24th and continue following signs to Beaver Lake Park.

SR-520 East to Redmond/Fall City Road Exit (SR-202)
Turn right at the end of the exit.
Follow Route 202 for approximately 2.5 miles.
Turn right onto Sahalee Way at the Gray Barn Nursery.
Sahalee Way becomes 228th Avenue NE. Continue several miles past Sahalee Golf Course, Sammamish Library, and Skyline High School.
Turn left at the intersection of SE 24th Street and continue following signs to Beaver Lake Park.