Trip Overview
- Duration: 3 days / 2 nights
- Activity: Desert hiking, backcountry camping, scenic driving
- Distance: 4.6 miles (Alkali Flat Trail) + 5.1 miles (Organ Mountains)
- Difficulty: Moderate (heat and navigation are the challenge, not terrain)
- Permit: Backcountry camping permit required — first-come at visitor center, $40/night (includes park entry), 4 campsites total
- Best Months: October–April (summer temperatures exceed 100°F)
- Nearest Town: Las Cruces, NM (55 miles) / Alamogordo, NM (15 miles)
AllTrails (Alkali Flat Trail): 4.6★ (2,100+ reviews) — "The most alien landscape I've ever hiked. No trail markings, just white dunes in every direction."
r/hiking▲ 1.2k upvotes"Go at sunset. The dunes turn pink and orange and you'll have the backcountry completely to yourself. Bring a headlamp for the walk back."
White Sands Backcountry Permit
White Sands has only four backcountry campsites, spread along the Backcountry Camping Loop Trail (2 miles one-way). Permits are first-come, first-served at the visitor center, available from 1 hour before sunset to 30 minutes after sunset (you camp the same night you register). Cost is approximately $40/night total (includes the $20 park entrance fee). Each site has a designated post marker — no fires, no pets, and you must be completely out by 8am. The sites are basic: a post, a view, and the silence of 275 square miles of white sand. Bring all water — none available anywhere in the backcountry.
Day 1 — Arrive, Drive Dunes Drive, Sunset at Heart of the Dunes
Arrive in the afternoon. Drive the full 8-mile Dunes Drive — all pullouts are worth stopping at for photos. The Interdune Boardwalk (400-ft, wheelchair accessible) explains the gypsum formation. Pick up your backcountry permit at the visitor center by 5pm. Hike in to your campsite (2 miles max) via the Backcountry Camping Loop. Set up camp while the dunes are still lit. At sunset, the white turns to gold, then pink. It is extraordinary. Stars are remarkable with zero light pollution — Alamogordo to the east is the only town within 30 miles.
Day 2 — Alkali Flat Trail (4.6 miles, half day)
The Alkali Flat Trail is the park's most immersive hike — 4.6 miles round trip across open dune fields with no shade, no water, and navigation by orange stake markers. It reaches the edge of Lake Lucero, the ancient dry lake bed from which wind blows gypsum crystals forming the dunes. Go early morning (before 8am) or late afternoon to avoid peak heat. Carry 3 liters of water for a 4.6-mile hike in this environment. After the trail, clean up at the day-use area and drive to Alamogordo for a hot meal at Waffle & Pancake Haus before returning to your site for a second night.
Day 3 — Organ Mountains, Las Cruces
Break camp by 8am and drive 55 miles west to the Organ Mountains-Desert Peaks National Monument near Las Cruces. The Dripping Springs Trail (4.8 miles round trip, AllTrails: 4.6★ 1,500+ reviews) climbs into a dramatic rocky canyon with a historic resort ruins, a hermit's cave, and seasonal spring water at the turnaround. The Organ Mountains spike directly from the desert floor — a visual that rivals anything in the Southwest. Leave Las Cruces on I-10 and you're back to El Paso (45 min) or Albuquerque (3.5 hours).
Gear and Safety
- Minimum 4 liters water for any backcountry day — no water sources
- Gaiters — gypsum sand gets in everything
- Sunglasses with UV protection — the white surface reflects UV intensely
- Sunscreen SPF 50+ applied repeatedly
- Compass or downloaded GPS track — the dunes look identical in all directions
- Wind layer — desert winds can be significant year-round
