Lafayette Reservoir Access provides a day-use recreation area with a visitor center, parking (metered and annual passes available), and boat launch facilities located off Mount Diablo Boulevard near Highway 24.

Hand-launch boats, kayaks, canoes, and sailboats are permitted with required inspection for invasive mussels ($6 fee, valid 30 days); rowboats and pedal boats are also available for rent. The paved Lakeside Nature Trail (2. 7 miles) and unpaved Rim Trail (4.

7 miles) offer hiking access, though note that body contact with the water is prohibited and blue-green algae warnings are currently in effect.