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Lake Mary Ronan State Park Campground Montana

Lake Mary Ronan State Park Overview

Lake Mary Ronan State Park has 25 spacious campsites (23 w/electric hookups) and is over on the east side of the 1,500-acre lake. It’s also just 7 miles west of Flathead Lake.

There are 23 campsites with electric hookups. Eighteen of the 25 are reservable and the rest are first-come, first-serve. One reservable group site (with electric hookups) is also available and can accommodate up to 48 people. Campsites can accommodate tents, trailers and RVs. Each site also has a paved parking spur (30 to 50 feet), table, food storage locker (bear box), fire ring and grill.

The campground is generally open mid May through November. Amenities include potable (drinking) water, vault toilets and trash collection (dumpsters). Firewood is also available to purchase from the cap host. A boat ramp, boat trailer lot and dock area also nearby.

Lake Mary Ronan State Park – Area Recreation & Activities

Outdoor recreation in the area includes boating, fishing, kayaking, paddle-boarding, swimming, hiking, mountain biking, picnicking and wildlife viewing. A nice hike trail leads from the campground into the surrounding area.

You might also like Big Arm State Park over by Flathead Lake.

Make a Reservation for Lake Mary Ronan State Park

Amenities
  • BBQ Grills
  • Boat Ramp
  • Boat Trailer Lot
  • Campground Host
  • Campsite Tables
  • Cell Service Poor
  • Drinking Water
  • Dumpsters
  • Fire Pit
  • Fire Rings
  • Firewood Available
  • Grills
  • Hiking & Biking Trails
  • Ice
  • Pets OK
  • Picnic Tables
  • Restrooms (Vault Toilets)
  • Trash Collection
Activities
  • Bird Watching
  • Boating
  • Canoeing
  • Fishing
  • Hiking
  • Kayaking
  • Mountain Biking
  • Paddle boarding (SUP)
  • Photography
  • Picnicking
  • Snowshoeing
  • Stargazing
  • Swimming
  • Wildlife Viewing
Last updated July 28th, 2025
50623 Lk. Mary Ronan Rd.
Proctor, Montana 59929
(406) 849-5082
Lat / Long:

47.927, -114.383

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Regions
Campsite Types
  • ADA
  • Camper Van
  • Electric Hookup
  • Group
  • RV
  • Tent
  • Trailer
# of Campsites:

26

# of RV Hookup Campsites:

23

Campsite Vehicle Size:

30 to 50 feet.

Season:

Mid May – Late November

Elevation:

3,727

Lake Mary Ronan State Park Photos

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Lake Mary Ronan State Park Comments & Reviews

Visited Lake Mary Ronan State Park Campground lately? We'd love to hear about your adventure. Did you find us useful? Did we forget something? Anything our community should know before heading out to Lake Mary Ronan State Park?

2 Comments on “Lake Mary Ronan State Park”

  1. Brodie Bergeson says:

    Spent two night at site 19, very clean and quiet. A trail leads about 200 yards to the lake. No beaches but there is a boat launch. 1 bar of cell service T-Mobile

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