Old Mission Dam, Dam in Mission Trails Regional Park, San Diego County, US.
The stone and cement dam stretches 220 feet in length, stands 12 feet tall, and measures 13 feet wide at its foundation point.
Spanish colonists and Kumeyaay Nation members constructed the dam in 1803 to provide water for Mission San Diego de Alcala during drought conditions.
Old Mission Dam represents early Spanish engineering techniques and water management systems established on the Pacific coast of North America.
Visitors can access the dam by taking Interstate 8 to Mission Gorge Road, continuing for 6.5 miles to Father Junipero Serra Trail entrance.
The dam includes a five-mile aqueduct system with tiled channels designed to minimize water loss through the sandy soil of San Diego River.
Location: San Diego County
Inception: 1803
GPS coordinates: 32.83966,-117.04313
Latest update: March 12, 2025 06:18
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