American Perimeter Trail - The South Primary

The American Perimeter Trail - The South Primary is a 1858.8 km looped trail that starts and ends in Milam, Sabine County, Texas. Based on our data, the trail is graded as Difficult. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates.

This trail can be completed in approx 88 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.