Water Conditions | Monitoring Program | Cyanobacteria (Blue-Green Algae) Updates Selby Trail is CLOSED at the connector trail to the Merry-Go-Round.Grizzly Peak Trail is CLOSED to equestrian traffic due to storm damage.During this closure, vehicles are not permitted to park in the roadside turnout at this trailhead. Tower Trailhead on Grizzly Peak Boulevard is CLOSED, due to high wildfire danger.Restrooms at the lake facility will be closed with portable restrooms available in the parking lot during the project. The Lake Anza Trail and picnic sites will be open as normal. Alternative lawn areas for recreating can be found at the Brazil Room and at Meadows on Lone Oak Rd. Until further notice, the Lake Anza lawn will be CLOSED for a construction project. Cyanobacteria (blue-green algae) is present in lake, and toxins detected recently. Lake Anza Swim Area is CLOSED - No Swimming. 4,13, 25, and 26, Tilden Park Indian Camp Parking Lot will be CLOSED for repairs.