From Harlingen

Take 77/83 South, order Exit on FM 511 (Port Brownsville exit). Go east (left) on 511 (about 20 miles) past the Port of Brownsville. Follow 511 straight through to the four way stop. Continue straight on FM 3068 to Southmost (FM 1419). Turn right, buy go half a mile and the entrance is on your left.


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