Wild Horse Island State Park

Wild Horse Island State Park, MT

Available Activities

Hiking
Fishing
Boating
Horseback Riding
Hunting

Montana’s Island Wildlife Sanctuary on Flathead Lake

Wild Horse Island is the largest island on Flathead Lake — and one of the most extraordinary day-trip destinations in Montana. This 2,163-acre island is home to a small herd of wild horses (typically 5–6 animals), 160–200 bighorn sheep, mule deer, bald eagles, osprey, and falcons. No other state park in the country combines island scenery with this kind of megafauna density.

There’s no bridge and no public ferry — you need a private boat or charter to reach the island. That barrier to entry keeps Wild Horse Island wonderfully uncrowded, even in peak summer. The Salish-Kootenai tribes originally used the island to pasture horses, keeping them safe from rival tribes — a tradition that gave the island its name and its most famous residents.

🚤 Getting There

Access Details

No public ferry — must arrive by private boat, kayak, or hired charter
Charter services: Available from Polson, Bigfork, and Rollins marinas
Main landing: Skeeko Bay (northwest side) — gravel beach, trailhead, vault toilets
Other landings: Eagle Cove, Pikes Bay
Important: Private property exists along parts of the perimeter — use only designated landing sites

🐴 Wildlife Viewing

Wildlife is the main attraction, and sightings are surprisingly reliable:

Species	Population	Where to Spot Them
Wild Horses 🐴	5–6	Grasslands and meadows in the island interior
Bighorn Sheep 🐑	160–200	Rocky ridgelines and cliffs; Eagle Cove area is reliable
Mule Deer 🦌	Common	Throughout the island, especially dawn and dusk
Bald Eagles 🦅	Multiple pairs	Nesting in old-growth ponderosa; visible soaring over lake
Black Bears 🐻	Occasional	Carry bear spray; keep distance if encountered

📸 Wildlife Photography Tips

Bring a telephoto lens (200mm+) — wildlife keeps its distance
Bighorn sheep are most active in morning hours at Eagle Cove
Wild horses are unpredictable — patience is key; scan meadows from ridgelines
Keep 100+ yards from all wildlife; do not approach or feed

🥾 Hiking

Wild Horse Island has approximately 4 miles of interconnected trails, plus you’re welcome to explore off-trail. From Skeeko Bay, a loop trail leads to Eagle Cove — the most reliable spot for bighorn sheep sightings. Ridge ascent trails climb to panoramic viewpoints overlooking Flathead Lake, the Mission Mountains, and the Swan Range.

📋 Important Rules

Day-use only — no camping
No pets — prohibited to protect wildlife
No bikes
No fires or smoking
Fishing requires a tribal license (Flathead Indian Reservation waters)
Stay on designated landing sites; respect private property boundaries

📋 Visitor Information

Detail	Info
Location	Flathead Lake, near Polson/Bigfork, MT
Size	2,163 acres
Access	Private boat or charter only
Season	Open year-round; best May–September
Phone	(406) 752-5501

❓ Frequently Asked Questions

Will I actually see wild horses?

There are only 5–6 horses on the entire 2,163-acre island, so sightings are not guaranteed. Scan meadows and grasslands from elevated viewpoints. Early morning visits and patience improve your chances significantly.

How do I get to Wild Horse Island without a boat?

Several charter and tour boat services operate from Polson, Bigfork, and Rollins marinas during summer. Kayak rentals are available for experienced paddlers — the crossing from the nearest mainland point is about 1 mile, but lake conditions can change quickly.

Can I camp on Wild Horse Island?

No — the island is strictly day-use only. No camping, no fires, no smoking. Plan to arrive early and leave before dark.

Frequently Asked Questions

Do Montana state parks require an entrance fee?

Montana residents can enter free if they pay the state parks fee with their vehicle registration. Non-residents pay a day-use fee of approximately $8 per vehicle. No annual pass is available for non-residents.

Do I need bear spray at Montana state parks?

Bear spray is strongly recommended at most Montana state parks, especially in the western and mountainous regions. Black bears and grizzly bears are present. Carry spray, know how to use it, and follow food storage rules.

What are the best state parks near Glacier National Park?

Whitefish Lake, Wayfarers (on Flathead Lake), and Lone Pine are accessible parks near Glacier. Flathead Lake is the largest natural freshwater lake west of the Mississippi and offers excellent camping.

Can it snow in Montana state parks in summer?

Yes, snow is possible in Montana mountain parks even in July and August at higher elevations. Weather can change dramatically and quickly. Always carry layers, rain gear, and be prepared for cold conditions.

Explore More Montana State Parks

Wild Horse Island State Park is one of many outstanding state parks in Montana. Discover more parks in our Best State Parks in Montana guide, or use our Park Finder to search by activity, location, or features.

Last updated: March 16, 2026