Lost Mine Trail

A mountainside with desert plants and trees with a tall rocky peak in the background

This 4.8-mile roundtrip is a controlled climb into the Chisos Mountains with a 1,100-foot elevation gain that demands respect. It's an outstanding introduction to high-desert flora and fauna, rewarding you with panoramic views of Juniper Canyon, Casa Grande Peak, and the Sierra del Carmen in Mexico. Difficulty: moderate-to-hard for fit hikers; brutal for the unfit. Dehydration and sun exposure are the real threats—water and timing are non-negotiable.

Quick facts

Distance Miles: 4.8
Route Type: Out-and-back
Difficulty Level: Moderate-to-hard. The 1,100-foot elevation gain is relentless, but the trail is well-maintained and non-technical. Requires solid fitness.
Elevation Gain Feet: 1100

Trail profile

Distance Miles: 4.8
Route Type: Out-and-back
Difficulty Level: Moderate-to-hard. The 1,100-foot elevation gain is relentless, but the trail is well-maintained and non-technical. Requires solid fitness.
Elevation Gain Feet: 1100
Estimated Time: 3 hours if you're fit and pushing; 4-5 hours if you're stopping for water, photos, and careful footing on the descent.
Trail Surface: Dirt and rock with log steps. Uneven, rocky terrain on steep sections. Loose rocks on descent require careful footing.
Trail Features: Juniper and oak forest
Pine forest sections
Panoramic ridge views
Casa Grande Peak vista
Juniper Canyon views
Pine Canyon views
Sierra del Carmen (Mexico) mountain views
Switchback trail sections
Trail Highlights: The ridge at the trail's end offers superb views of Pine Canyon and the Sierra del Carmen mountains in Mexico. Casa Grande Peak and Juniper Canyon are visible from the 1-mile saddle turnaround point. The final ridge is the payoff—don't settle for the 1-mile viewpoint alone.

Trailhead & access

Trailhead Location: 5.5 miles up Chisos Basin Road from Chisos Basin Visitor Center
Parking Lot Size: 15 vehicles
Parking Fill Time: 8 am to 9 am November through April (peak season). Often full by sunrise during holidays and weekends.
Shuttle Required: 0

Permits & conditions

Fees: $30 — Entrance - Private Vehicle (valid 7 days)
Trail Status: Open

Facilities & rules

Restrooms At Trailhead: 0
Water Sources: No water on trail. Carry 1 liter per person per hour of hiking planned. This is a dry trail in an arid climate. Start with 3-4 liters for the full roundtrip. The dry climate means sweat evaporates before you feel thirsty.
Accessibility: The parking area and short wheelchair-accessible sidewalk lead to the trailhead information panel. Beyond the panel, the trail is dirt and rock with numerous log steps and 1,100-foot elevation gain over steep terrain. Not wheelchair-accessible beyond the information panel. Mobility-limited hikers may enjoy the accessible viewpoint at the trailhead only.

Safety & strategy

Hazards: Dehydration
Heat exposure
Steep elevation gain
Loose rocky terrain
Uneven footing on descent
Wildlife (snakes)
Full sun exposure on ridges
Limited parking availability
Hazard Details: Dehydration is the primary threat in Big Bend's hot, dry climate where sweat evaporates faster than you can feel it. The 1,100-foot elevation gain is relentless and much of it is exposed to full sun on open ridges. Rocky, uneven terrain increases slip and fall risk on steep descent sections. Watch for snakes and maintain safe distance from all wildlife. The bottleneck parking lot (15 spaces) creates another hazard: arriving late means no parking and a wasted trip.
Crowd Level: Conga line during peak season (November-April); moderately busy in shoulder seasons. Solitude is rare mid-morning during peak months.
Peak Crowd Times: 8 am to 9 am November through April. Holidays and weekends year-round are congested. Mid-week mornings are quieter.
Best Season: November through April (cool season, peak tourism)
Best Time To Visit: November through April when desert temps cool to 60-70s. Arrive before 7 AM to claim one of the 15 parking spots; the lot fills by 8-9 AM. Start hiking at dawn to finish before afternoon heat peaks (100°F+ is common May-September).
Tips Advice: Carry 1 liter of water per hour of hiking; 3-4 liters minimum for a 3-4 hour roundtrip. The dry climate evaporates sweat so fast you won't feel dehydration until it's critical.
Eat salty snacks: your body needs electrolytes, not just water.
Sun protection is mandatory: sunscreen, hat, lightweight long sleeves. The desert sun is relentless.
Tighten your boots before starting; the descent is steep and rocky.
Make noise while hiking to avoid surprising snakes; maintain distance from all wildlife.
Don't stack rocks on the trail—it confuses hikers relying on cairns for navigation.
Bring trekking poles for the descent.

More details

Park Area: Chisos Mountains (Chisos Basin area)
Trail Markers: Well-worn trail with clear path in most sections. Some rocky areas can be harder to follow. Cairns (stacked rocks) mark the way, but hikers sometimes stack rocks randomly, creating confusion. Bring a map as backup navigation.
Dogs Allowed: No. Dogs are not permitted on any hiking trails in Big Bend National Park.
Shade Level: Mixed. The trail alternates between open ridges (full sun) and juniper/oak/pine forest sections (partial shade). Afternoon sun is intense on exposed sections. Hat and sunscreen essential throughout.
Map Recommended: 1
Insider Tips: If 4.8 miles feels daunting, hike only to the saddle at 1 mile for views of Casa Grande Peak and Juniper Canyon—a solid compromise.
The small parking lot is a real bottleneck November-April. Arrive before 7 AM or consider visiting mid-week.
Double your estimated water supply. In Big Bend's dry climate, sweat evaporates so fast you'll lose water and salts without realizing it. Drink before you're thirsty.
The final ridge has the best views—don't quit early just because you're tired. The payoff justifies the grind.
Bring trekking poles for the descent to protect your knees on rocky terrain.
Family Friendly Notes: Suitable for older children and fit families; not recommended for young kids. The 1,100-foot elevation gain and steep rocky sections demand physical fitness. Younger children often struggle with the ascent and descent. The 1-mile saddle turnaround offers views with less effort. Keep children close on steep sections with drop-offs. Dogs not allowed. Families should arrive by 7 AM to secure parking.
Nearby Facilities: Chisos Basin Campground is the nearest overnight option, 5.5 miles from trailhead. Rio Grande Village Campground and Rio Grande Village RV offer additional accommodations elsewhere in the park. Trash receptacles and recycling available at the trailhead.
Review Summary: Hikers consistently report that the 1,100-foot elevation gain is steeper than expected, but the ridge views make every step worth it. The trail is well-maintained and non-technical. Dehydration and parking bottlenecks are the limiting factors, not technical difficulty. Most fit hikers complete it in 3-4 hours.

Location

Frequently asked questions

Is this trail too hard for someone who doesn't hike much?

Probably. The 1,100-foot elevation gain is steep and relentless. If you're new to hiking, try an easier trail first. Fit hikers find it manageable; unfit hikers find it brutal.

Can I do this solo, or is it dangerous?

Yes, you can go solo. It's a popular, well-marked trail with good visibility and regular traffic. The main risk is dehydration, not solitude. Tell someone your plan and bring a map since cell service is unknown.

How much water should I actually bring?

At least 3-4 liters for a 3-4 hour roundtrip. More if it's hot or you're moving slowly. In Big Bend's dry climate, sweat evaporates so fast you won't feel thirsty until you're already dehydrated. Carry 1 liter per hour of hiking planned and drink before you're thirsty.

Do I need special gear or permits?

No permits required. Bring a hat, sunscreen, trekking poles for the descent, and a map. Boots with good ankle support are worth their weight on rocky terrain.

Is this trail shaded, or will I roast in the sun?

Mixed. You'll have shade in the forest sections, but open ridges are fully exposed. The desert sun is intense. Sunscreen, hat, and lightweight long sleeves are essential.

What time should I start the hike?

Arrive before 7 AM to secure parking. If you start hiking by 8 AM, you'll finish around 11 AM-noon and avoid the peak heat hours. May-September, start even earlier to avoid the 100°F+ afternoon peaks.