25 official trails lie within 25 miles of Brownsville — 93 miles in total, 25 rated easy and 0 hard or expert. Every distance and elevation figure below is computed from the agency centerline and a 10 m elevation model, not crowd-sourced.
The biggest climb nearby gains 29 ft; the median trail gains 8 ft.
| Trail | Miles | Climb | Difficulty | Drive from town |
|---|---|---|---|---|
| Ruta Rio Bravo | 11.1 | 15 ft | Easy | 22 min · 14 mi |
| Upper Cayo Loop | 17.2 | 25 ft | Easy | 47 min · 27 mi |
| Horse Island Trail | 3.7 | 27 ft | Easy | 1 h 02 min · 31 mi |
| Laguna Atascosa Loop | 10.6 | 22 ft | Easy | 50 min · 25 mi |
| Brownsville Historic Battlefield Trail | 1.6 | 29 ft | Easy | 9 min · 5 mi |
| West Rail Trail | 6.4 | 17 ft | Easy | 20 min · 11 mi |
| Moranco Blanco Trail | 1.7 | 19 ft | Easy | 40 min · 22 mi |
| South Boundary Trail | 2.9 | 17 ft | Easy | 34 min · 24 mi |
| Island Fields Loop | 3.1 | 13 ft | Easy | 44 min · 27 mi |
| Kidney Pond Trail | 2.5 | 9 ft | Easy | 40 min · 26 mi |
| Southmost Nature Trail | 1.7 | 8 ft | Easy | 18 min · 11 mi |
| Adolph Thomae Trail | 2.1 | 8 ft | Easy | 54 min · 29 mi |
| Whitetail Trail | 4.0 | 7 ft | Easy | 30 min · 22 mi |
| Scum Pond Trail | 1.9 | 7 ft | Easy | 32 min · 23 mi |
| Bobcat Lane | 1.1 | 6 ft | Easy | 27 min · 14 mi |
| Yellowthroat Loop | 1.1 | 6 ft | Easy | 27 min · 14 mi |
| Quail Loop | 1.4 | 6 ft | Easy | 26 min · 14 mi |
| Gulf Boulevard Shared Path | 2.6 | 6 ft | Easy | 44 min · 29 mi |
| Mesquite Trail | 1.1 | 4 ft | Easy | 38 min · 25 mi |
| Flycatcher Trail | 1.2 | 3 ft | Easy | 27 min · 13 mi |
| Ibis Trail | 1.2 | 2 ft | Easy | 36 min · 25 mi |
Summits: Moranco Blanco Trail to Moranco Blanco
Lakes: Laguna Atascosa Loop to Laguna Atascosa; West Rail Trail to Salt Pond
Nearby towns: Harlingen (20 mi)
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