Flathead Lake State Park - Wild Horse Island Unit
Wild Horse Island Unit is a remote, boat-access-only state park on Flathead Lake known for its rugged hills, open grasslands, and abundant wildlife. Visitors come for hiking, wildlife viewing, boating, and the chance to experience one of the largest islands in a freshwater lake in the western United States.
Free
Visiting with Dogs
Dogs allowed on leash; keep pets under control and clean up waste. Check seasonal restrictions before visiting.
Visitor Tips & Reviews
What Visitors Say
Remote, scenic island park with stunning lake and mountain views, great hiking, wildlife sightings, and a peaceful boat-access adventure that visitors love for its natural beauty and solitude.
Tips from Visitors
- Bring water; services are limited on the island.
- Wear sturdy shoes for rocky trails and uneven terrain.
- Check boat access and weather before departing.
- Pack out all trash; help protect wildlife habitat.
- Keep distance from bighorn sheep and other animals.
- Plan for limited shade and strong sun exposure.
Best Time to Visit
The best time to visit Flathead Lake State Park - Wild Horse Island Unit is late spring through early fall, when boat access is easiest and wildlife is most active. Summer offers warm weather and long daylight, while shoulder seasons are quieter and ideal for hiking and photography.
Amenities
Nearby Attractions
Explore these attractions near Flathead Lake State Park - Wild Horse Island Unit:
- Flathead LakeMontana’s largest natural freshwater lake offers boating, fishing, swimming, and scenic shoreline access around the island unit.Within the park
- Big Arm State ParkA nearby Flathead Lake unit with camping, boat access, and lakefront day-use areas on the west shore.8 miles away
- Mission Mountains WildernessA dramatic mountain backdrop east of the lake with alpine scenery, wildlife habitat, and backcountry recreation opportunities.22 miles away
Things to Do at Flathead Lake State Park - Wild Horse Island Unit
Camping at Flathead Lake State Park - Wild Horse Island Unit
Camping is not available at Wild Horse Island Unit; it is day-use only. Nearby camping is available at other Flathead Lake State Park units.
Hiking Trails
Flathead Lake State Park’s Wild Horse Island Unit offers a memorable day hike with sweeping lake views, rolling grasslands, and a chance to spot bighorn sheep, deer, and wild horses. Trails are generally moderate and feel remote, with little shade and limited facilities. Bring plenty of water, sturdy shoes, and be prepared for boat access and changing weather.
Wild Horse Island Loop Trail
ModerateThe main hiking route on Wild Horse Island, offering expansive views of Flathead Lake, open grasslands, and chances to see bighorn sheep, deer, and wild horses.
Wild Horse Island Summit Trail
ModerateA shorter route that climbs to higher viewpoints on the island, with panoramic lake and mountain scenery and good wildlife viewing opportunities.
Wild Horse Island Shoreline Trail
EasyA gentler hike along parts of the island shoreline, ideal for visitors looking for a shorter outing with scenic water views and wildlife habitat.
Wild Horse Island Ridge Traverse
ModerateA scenic ridge route across the island that combines open terrain, lake vistas, and rolling climbs through classic Wild Horse Island landscapes.
Directions
From U.S. Highway 93 near Big Arm, follow signs to the Wild Horse Island boat launch area on Flathead Lake. Access to the island is by private boat, charter, or permitted watercraft only; there is no bridge or ferry service.
Contact & Info
Frequently Asked Questions
How do I get to Wild Horse Island Unit?
You can only reach the island by boat, usually via private boat or a guided shuttle from the mainland. There is no bridge or road access, so plan transportation in advance and check launch conditions before you go.
Are there wild horses on Wild Horse Island?
Yes, visitors often hope to see the island’s famous wild horses, but sightings are not guaranteed. Reviews commonly note that wildlife viewing is hit-or-miss, so it helps to bring binoculars and be patient.
Can I hike on Wild Horse Island?
Yes, there are hiking trails and open areas for exploring. Visitors often describe the hikes as scenic and peaceful, with lake views and wildlife. Wear sturdy shoes and be prepared for uneven terrain and limited shade.
Is camping allowed at Wild Horse Island Unit?
No, camping is not allowed on Wild Horse Island Unit. Most visitors come for day use only. If you want to stay overnight, look for camping options at other Flathead Lake State Park units or nearby campgrounds.
What wildlife might I see there?
Common sightings include deer, bighorn sheep, birds of prey, and sometimes wild horses. Many visitors mention that wildlife is the highlight of the trip, but animals can be far away or hidden, so expectations should be flexible.
Do I need to pay an entrance fee or park pass?
Yes, a Montana State Parks pass or day-use fee may be required, depending on how you access the unit. If you arrive by boat, check current fee rules before your trip, since access and payment details can vary.
Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
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