Park-related books and knick-knacks can be purchased from all visitor centers. Supplies and groceries, though available, are often limited in selection. The nearest town with chain retailers is Alpine.
Chisos Basin Store
Here you'll find a camp store with supplies and groceries, an ATM, and a dedicated gift shop with gourmet condiments and local arts and crafts.
La Harmonia Store
Built in 1920, it's an historic establishment selling groceries, supplies, and souvenirs.
Rio Grande Village Store
Carries supplies, groceries, and gifts. Coin-operated showers and laundry and an ATM are also nearby.
Gas/petrol
Expect gas in the area to be pricier than the national average. Always remember to fill up before setting out as distances between services are large.
Panther Junction Service Station
Sells gas including diesel, limited groceries, and can even do minor repairs. With a Visa or Mastercard, fuel is available 24 hours a day.
Rio Grande Village Service Station
Sells gas, diesel, and propane and is in the same area as the Rio Grande Village Store - in fact, gas is purchased inside the store.
Outside of the park
Stillwell Store
Sells groceries and supplies as well as gas but not diesel.
Gas and limited supplies can also be purchased from Study Butte-Terlingua, just outside the western entrance of the park.