Big Bend River Road

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1. MI 0.0Castolon TrailheadTrailhead2,170 FT

   Historic district with seasonal store and water. Get your backcountry permit before this point.

2. MI 2.2Santa Elena ViewViewpoint2,209 FT

   Last look back at the 1,500-ft canyon mouth before the road bends east.

3. MI 14.4Buenos Aires WashObstacle2,364 FT

   The first of the deep sand washes. Momentum is your friend; ruts are not.

4. MI 18.1Johnson Ranch CampCampsite2,450 FT

   Primitive site at an old border airfield ranch. Permit required, silence included.

5. MI 25.0Mariscal MineViewpoint2,435 FT

   Ruins of a 1900s quicksilver mine. Do not touch the cinnabar tailings.

6. MI 37.1Glenn Springs CampCampsite2,166 FT

   Cottonwood-shaded primitive site at a spring that once watered a wax factory and a cavalry post.

7. MI 49.3Rio Grande Village: FuelFuel1,918 FT

   Park store with fuel and water at the route's east end.

8. MI 51.0Rio Grande Village ExitExit1,880 FT

   Pavement, hot showers, and the Boquillas Canyon overlook ten minutes away.