Big Bend National Park closures:

Here is what is actually closed in the park:

Conditions & Closures in the Park

Updated: February 6, 2012

Closures in High Chisos due to a recent mountain lion attack:
- Window Trail is closed
- Pinnacles, Boulder Meadow, and Juniper Flat campsites are closed

These closures will remain in effect until further notice.

EDIT (March):
The only remaining trail closures for spring/summer are for nesting Peregrine Falcons -

The areas closed to public entry from February 1 through May 31 are:

• The Southeast Rim Trail and a portion of the Northeast Rim Trail from the Boot Canyon/Southeast Rim junction to a point just north of Campsite NE-4.
• All Southeast Rim campsites as well as Northeast (NE) campsites 4 and 5 are closed during this period.

via NPS