Lewis and Clark Caverns State Park
🦇 Montana’s First State Park — Spectacular Limestone Caverns — Montana’s oldest state park featuring guided tours through one of the most decorated limestone cave systems in the Northwest, with a challenging 2-hour Classic Tour, accessible Paradise Tour, 10+ miles of trails, Jefferson River access, 40 campsites, 3 cabins, a tipi, and candlelight cave tours in December
High above the Jefferson River Valley — where the Madison, Jefferson, and Gallatin rivers converge to form the Missouri near the site Lewis and Clark passed in August 1805 — a labyrinth of spectacular limestone caverns tunnels through a mountainside that the Corps of Discovery never knew existed. Lewis and Clark Caverns State Park protects one of the most extensively decorated cave systems in the northwestern United States, and holds the distinction of being Montana’s first state park, established in 1937. The caverns themselves are a three-dimensional underground sculpture gallery: massive stalactites and stalagmites, columns, flowstone draperies, and delicate cave formations (called speleothems) that have been growing since the Precambrian limestone was carved out by acidic groundwater over millions of years.
What makes Lewis and Clark Caverns remarkable — beyond the sheer beauty of the formations — is the physicality of the experience. The signature Classic Tour is a genuine 2-hour, 2-mile underground adventure: 300 feet of elevation gain, over 100 stairs to climb, more than 500 stairs to descend, and passages that require ducking, squeezing, and genuine cave-crawling. This is not a sanitized theme-park cave walk. This is the real thing. For those seeking a gentler experience, the Paradise Tour visits the largest and most decorated chambers on a mostly level path with minimal stairs.
Cave Tours
| Tour | Duration | Distance | Difficulty | Notes |
|---|---|---|---|---|
| Classic Tour | 2 hours | 2 miles | Strenuous | 300ft gain, 100+ stairs up, 500+ stairs down. No children under 5. |
| Paradise Tour | 1.5 hours | 1 mile | Easy-Moderate | ~15 stairs, mostly level. Family-friendly. |
| Candlelight Tour | Special event | Varies | Moderate | December only — limited availability |
Tour Season: May 1 – September 30. Reservations highly recommended — tours frequently sell out, especially in July and August.
White-Nose Syndrome Protection
Important: To protect the resident bat population from white-nose syndrome, visitors are strictly prohibited from wearing clothing, shoes, or accessories that have been worn in other caves or mines within the past five years. This is a critically important conservation measure — the park enforces this rule to prevent the spread of a fungal disease that has killed millions of bats across North America.
The Jefferson River Valley
The park occupies a dramatic mountainside position overlooking the Jefferson River Valley — one of the three major tributaries that form the Missouri River. The Lewis and Clark Expedition passed through this exact valley in August 1805, though they never discovered the caverns hidden in the mountains above them. The valley’s wide, arid landscape — framed by mountain ranges on all sides — is quintessential southwestern Montana scenery.
Trails — 10+ Miles
| Trail Type | Miles | Difficulty | Highlights |
|---|---|---|---|
| Hiking Trails | 10+ | Easy to Strenuous | Mountain views, Jefferson River access, wildflowers |
| Mountain Biking | Permitted on select trails | Moderate | Ridgeline routes, valley views |
| Jefferson River Trail | Access trail | Moderate | Descends to the river for fishing |
Camping and Lodging
| Type | Quantity | Details |
|---|---|---|
| Campsites | 40 | Year-round (limited amenities Oct-Apr) |
| Cabins | 3 | Reservable, seasonal |
| Tipi | 1 | Unique lodging experience |
| Wall Tent | 1 | Canvas glamping-style |
| Group Camp | Available | By reservation |
Season note: Full amenities (flush toilets, showers, potable water, dump station) available May–September only. Off-season: vault toilets only, bring your own water.
Essential Visitor Information
| Detail | Information |
|---|---|
| Address | 25 Lewis and Clark Caverns Road, Whitehall, MT 59759 |
| Visitor Center | May-Sep: 9 AM-4:30 PM; Oct-Apr: 10 AM-4 PM |
| Tour Season | May 1 – September 30 |
| Entrance Fee | Montana vehicle pass + tour fees |
Getting There
- From Bozeman: 55 miles west (~1 hour)
- From Butte: 45 miles east (~50 minutes)
- From Helena: 70 miles south (~1 hour 15 minutes)
- From Yellowstone (West Entrance): 120 miles northwest (~2 hours)
How hard is the Classic Cave Tour?
The Classic Tour is genuinely strenuous. It covers 2 miles over 2 hours, with 300 feet of elevation gain, over 100 stairs to climb, and more than 500 stairs to descend. Passages require ducking, bending, and navigating tight spaces. Children under 5 are not permitted. Wear sturdy shoes with good traction, bring water, and be prepared for a real physical workout. The Paradise Tour is a much easier alternative, covering the most decorated chambers on a mostly level path with about 15 stairs.
Is Lewis and Clark Caverns really Montana’s first state park?
Yes! Lewis and Clark Caverns was established in 1937 as Montana’s first state park. The caverns were originally designated as a national monument by President Theodore Roosevelt in 1908, but were later transferred to the state of Montana. The park is named for the Lewis and Clark Expedition, which passed through the Jefferson River Valley below the cave in August 1805 — though they never discovered the underground chambers above them.
