The Roadrunner Flat Primitive Campground is about as close to sleeping in a cave as you’ll get (minus the cave part). Fifteen sites have a fire ring, picnic table and tent pad, as well as restrooms nearby (yeah, it’s actually very different from staying in a cave…) Use the modern, un-cavelike amenities as you wish when you get back from exploring miles of trail in the park. Just don’t go too far, you might end up in Mexico!
Campsite area
Bring your own tents, vans
15 sites
Up to 8 guests per site
Park at listing
No ADA access
Campfires allowed
Toilet available
Max size unknown
No hookups
Potable water available
Picnic table available


Offered near the campground.


Take a break from the rich ancient history, wide open skies, and breathtaking rock formations with a little dose of adrenaline....Read more


Some of Seminole Canyon State Park’s most impressive history and natural wonder can be viewed best from the trail. Wander down ...Read more


Natural features you'll find at Roadrunner Flat Primitive Campground.

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The vibe at Roadrunner Flat Primitive Campground

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Hipcamper Erin
Erin D.
didn't provide a recommendation.
January 16th, 2015

Seminole Canyon is a stunning hidden gem. During the day, take a hike on the beautiful rim trail and enjoy scenic views of the landscape, and at night look at some of the brightest stars you have ever seen, with an unobstructed view of the sky. The park itself does not get much traffic, so you may have the entire campground and most of the park to yourself like our group did. The canyon itself is beautiful, and makes you feel like you are standing at the top of the vast Texas plains. If you take the tour into the canyon, you can see some of the best representations of historic cave paintings. This park is absolutely worth checking out!

A view of the river from the rim trailStudents from the University of Houston's Outdoor Adventure program  taking a break to enjoy the view on the Rim Trail. Sunrise over the Roadrunner flat primitive campground in April 2014.
Hipcamper Lavender
Lavender M.
didn't provide a recommendation.
October 14th, 2015

Roadrunners. Stars. One other person in the entire park. Pitch your tent here at night, and hike the Rim Trail/Rio Grande Trail early and go peer into Mexico, because once the cloud cover burns off, the sun is relentless. At night javelinas can be heard in the canyon, in which hiking is allowed with a guide only down to the pictograph site. Seminole Canyon was a wonderful discovery, and feels truly remote.

Maker of Peace, by Bill WorrellJavelinas below, Visitors Center aboveRoadrunner Flats at duskSnake watch
Seminole Canyon State Park & Historic Site
Phone Number
(432) 292-4464
View on Google Maps
Official Website
View Website
29.695° N, 101.319° W
Tent / Van: 15 Sites
(Up to 8 people per site)