A 35mm film canister. Log only, bring a pen.
This is a large city park that has BBQ facilities, a baseball field, basketball court, skate park, children's playground, picnic area, softball field, swimming pool, tennis courts, outdoor volleyball court, lots of nice grassy areas and restrooms. Adjacent to Castro train station. Plenty of parking, but way busy on weekends and hot summer days.
1/16/05 - Coordinates have changed and cache has moved a short distance.
Bumped the difficulty slightly due to the usually busy location and good coords are a challenge.