Government Canyon State Natural Area Map


From the intersection of Loop 1604 and Culebra Road (also known as FM 471 - back road to Castroville), travel west 3.5 miles to Galm Road. Turn north (right) on Galm and travel 1.6 miles; gate with signs on the left.

Park Address:
12861 Galm Rd 
San Antonio, TX 78254

The Park HQ is located at:
Latitude: 29.549316
Longitude: -98.764715

Current conditions can vary from day to day. For more details, contact the park.

Other Maps

12861 Galm Rd
San Antonio, TX 78254

Latitude: 29.549316

Longitude: -98.764715

(210) 688-9055

Make reservations online

Reserve by phone: (512) 389-8900

Entrance Fees
  • Adult: $6 Daily
  • Child 12 Years and Under: Free

Open Friday through Monday,
7 a.m. – 10 p.m. 

Closed Tuesday through Thursday.


We often reach capacity; reservations are highly recommended for both camping and day use. To guarantee entrance  reserve passes online, or by calling the customer service center, before you visit.

On major holidays and Spring Break, Government Canyon may open for additional dates for day use visitation. Visit our Events page for specific holiday openings.

The Protected Habitat Area trails are open annually September through February. All other trails are open all year. All pets and domesticated animals are restricted to the front country trails. Trails may be closed due to poor conditions or weather. 

Closures due to max. capacity

Check our Twitter feedFacebook page, or call us, for the most current information about capacity closures and trail reports.