How to Get There: Take the Dairy Mart Road exit off Interstate 5 near the Mexican border. Follow signs to the end of 1500 Monument Road. Parking: Vehicles only allowed on weekends and holidays. Free parking. Open: 9:30 am am to 6 pm daily. Specifics: Rest rooms, picnic tables, fire pits, hiking. More Info: For beach information, contact the Tijuana Estuary Visitors Center at (619) 575-3613. For park information, call Visitors Center (619) 575-3613, or write the California Department of Parks and Recreation, P.O. Box 942896, Sacramento, CA 94296-0001. www.tijuanaestuary.com