Big Bend National Park. Texas Big Bend National Park, is one of the largest and least visited of America’s national parks. Over 801,000 acres. Camping, Campgrounds: Chisos Basin Campground, 63 campsites. Flush toilets, running water, grills, and picnic tables are available. NO HOOK-UPS. Cottonwood Campground, 31 campsites. Pit toilets, picnic tables, grills, and water are available. No Hook-ups. No dump station. NO GENERATORS ALLOWED. Elevation 1,900'. Rio Grande Village Campground: 100 site campground has flush toilets, running water, picnic tables, grills, and some overhead shelters. Dump Station nearby; NO HOOK-UPS. Elevation 1,850'. Rio Grande Village RV Park: 25 sites. This is the ONLY campground with hookups in the park. Boating, Fishing, Kayaking, Whitewater Rafting: The Rio Grande, or El Rio Bravo del Norte, borders Big Bend National Park for 118 miles. A 1978 Act created the Rio Grande Wild and Scenic River and charged the National Park Service to care for an additional 127 miles downstream from the park. Texas Mountain Trail - City of Alpine to Big Bend National Park