Lights required. Sakuma Viewpoint is beside Agua Verde Cafe at 1303 NE Boat St, along the water to the west of UW Medical Center. If you're riding, turn off the Burke-Gilman Trail at Brooklyn Ave and go south two blocks to Boat St. This ride is about 2 hours, we ride together on the flats, have 5-8 hills on each route and regroup at the top of the climbs.