Restaurants. The Oasis Restaurant and Store, located at the main park entrance, is the only restaurant within 25 miles of the national park. The Oasis is open April through October. A wide variety of restaurants are available in Alamosa (38 miles southwest of Visitor Center). The towns of Hooper (30 miles northwest), Blanca (27 miles southeast), and Fort Garland (31 miles southeast) each have at least one restaurant. The Sand Dunes Swimming Pool, located 3 miles northeast of Hooper, has a grille restaurant on grounds.