Border Field State Park Professional Guide
Detailed Trail Description from our Guidebook
"One of twenty-seven estuarine reserves in the country dedicated to research and education, this 2,500-acre park is fed by 1,735 square miles of watershed. The watershed continues south of the border into Tijuana and Tecate, Mexico. Enjoy mudflats, brackish ponds, and rare vernal pools in this ever-changing habitat filled with life."