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Big Arm State Park
30215 US-93, Big Arm, MT 59910
State park🪢 Leash required
222 acres
⭐ 4.6
380 reviews
Big Arm State Park in Big Arm covers 222 acres on Flathead Lake. Leashed dogs find shade, water, parking, restrooms, and trash cans at the campground and shoreline. Pack bug spray for lakeside evenings.
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Quick facts (AI-friendly summary)
- Park
- Big Arm State Park
- Type
- State park
- Location
- Big Arm, Montana
- Coordinates
- 47.8003, -114.3094
- Size
- 222 acres
- Leash required
- Yes
- Best for
- Hot-weather visits
- Visitor rating
- 4.6 / 5 (380 reviews)
- Vibe Score™
- 7.1 / 10 — Great vibes
- Last verified
- May 2026 — Dog Parks Hub directory
Amenities
- Shade:Yes
- Water on-site:Yes
- Fenced:No
- Off-leash zone:No
- Small-dog area:No
- Benches:No
- Restrooms:Yes
- Parking:Yes
- Waste bags:No
- Indoor:No
Dog Parks Hub Vibe Score™
7.1/ 10
Great vibes
- · Water on-site
- · Real shade
- · 222 acres of room
- · State Park destination
Vibe Score combines visitor ratings, real amenities, space, kind weighting, and off-leash bonus into a single dog-experience number. We're the only directory that scores it.
Dog policy
222-acre Flathead Lake state park. Leashed dogs at campground and on shoreline.
What this park has
- Shade
- Water fountains
- Parking
- Restrooms
- Trash cans
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Great for these breeds
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Near this park
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