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Established Camping

Halfmoon Campground

CAMPER SUMMARY PRESENTED BYFord

Halfmoon Campground, near Custer Gallatin National Forest in Montana, is a fantastic spot for those looking to immerse themselves in nature. With its well-kept sites nestled among tall pines, it offers a peaceful retreat with stunning views of the Crazy Mountain Range.

This campground is perfect for tent and RV camping, though larger trailers might struggle with the rough access road. Visitors rave about the abundant hiking opportunities nearby, including trails that lead to breathtaking waterfalls. One camper noted, “Great campsites on a loop with a bit of space in between, nice hiking trails to waterfalls!”

While there are no showers or electric hookups, the vault toilets are available, and the area is known for its clean facilities. Campers appreciate the tranquility of the site, with many mentioning the beautiful surroundings and the chance to spot wildlife like black bears and moose. As one reviewer put it, “The scenery surrounding the campground is breathtaking.”

If you’re up for an adventure, the drive to Halfmoon Campground is an experience in itself, winding through picturesque valleys. Just be prepared for some bumpy sections, especially if you’re visiting in winter when snow can make the road slick. Whether you're passing through or planning a longer stay, this campground is a solid choice for a memorable outdoor experience.

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Location

Halfmoon Campground is located in Montana

Detail location of campground

Directions

11 mi N of Big Timber on US 191, 12 mi W on Big Timber Canyon Rd

Coordinates

46.04105 N
110.23813 W

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Drive Time

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Access

  • Drive-In
    Park next to your site
  • Walk-In
    Park in a lot, walk to your site.
  • Hike-In
    Backcountry sites.

Connectivity

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Site Types

  • Tent Sites
  • RV Sites
  • Standard (Tent/RV)
  • Group
  • Equestrian

Features

For Campers

  • ADA Access
  • Drinking Water
  • Toilets
  • Alcohol

Contact

General Info


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Reviews

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4.5

out of 5

11 Reviews

Reviewed Jul. 20, 2025

My MT Narnia

I arrived around 1pm on a Friday and there were only two spots remaining. I grabbed spot #8, it certainly is not the most desirable but it was a spot nonetheless. The campground has many beautiful spots, especially on the backside south edge of the loop. The bathrooms were immaculately clean. There were a couple water pumps. You sit in a canyon and weather can fluctuate fast. There is a parking lot nearby for hikers and backpackers. I hiked to Granite Lake (4mi) and it was hard but worth the effort for sure. As others mention the dirt road from the highway is about 15mi and there are some pretty bumpy spots. You’ll need about 45-60 minutes outside of Big Timber to get here but it is a great spot.

Site8
Month of VisitJuly
  • Review photo of Halfmoon Campground by Brodie B., July 20, 2025
  • Review photo of Halfmoon Campground by Brodie B., July 20, 2025
  • Review photo of Halfmoon Campground by Brodie B., July 20, 2025
Reviewed Sep. 24, 2023

Great spot kinda busy

2 different amounts written on the board so I had no idea what the overnight charge was.

Site12
Month of VisitSeptember
  • Review photo of Halfmoon Campground by Carson , September 24, 2023
  • Review photo of Halfmoon Campground by Carson , September 24, 2023
  • Review photo of Halfmoon Campground by Carson , September 24, 2023
  • (12) View All
Reviewed Nov. 24, 2021

Awesome drive in

We actually didn’t get to stay here because it was closed due to fires but got to drive all the way to the gate. The drive in is amazing up a valley into a beautiful valley. I’m sure it would be a cool place to stay

Month of VisitAugust
  • Review photo of Halfmoon Campground by david C., November 24, 2021
  • Review photo of Halfmoon Campground by david C., November 24, 2021
  • Review photo of Halfmoon Campground by david C., November 24, 2021
  • (8) View All
Reviewed Nov. 22, 2021

Only stayed one night but will be back!

Beautiful area with amazing views. The camp sites looked well kept and the bathrooms were decent. We were just passing through so only stayed one night but we will definitely be back. The road to get to the campground was slick with snow and we needed to put Chains on our promaster van. A little bumpy bit nothing too crazy! You have to go through one gate that has a private property sign next to it, but that property is off the main road. Keep going up the road and you will find the loop of campsites.

Site#9
Month of VisitNovember
  • Review photo of Halfmoon Campground by vicki , November 22, 2021
  • Review photo of Halfmoon Campground by vicki , November 22, 2021
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  • (6) View All
Reviewed Jul. 31, 2021

Good Location Bad Roads

Decent location at the start of the trailhead right next to a creek but the sites aren’t close enough to see the water, just hear it. Showed up at about 4pm on a Friday with more than half of the sites still open but they did fill up by around 7pm. Road in is gravel for about 16 miles with the last 4 having vehicle crawl. If you go more than 10 miles an hour in this section you will probably pop a tire and should definitely have 4x4 and high clearance.

Site8
Month of VisitJuly
  • Review photo of Halfmoon Campground by Callie B., July 31, 2021
  • Review photo of Halfmoon Campground by Callie B., July 31, 2021
  • Review photo of Halfmoon Campground by Callie B., July 31, 2021
  • (11) View All
Reviewed Jul. 17, 2021

Lovely area @ 3800 ft

Well separated, timbered sites with miles of hiking available. Don't miss Big Timber falls! Black bear and Moose are frequent visitors.

Site1
Month of VisitJune
Reviewed Sep. 6, 2020

The Crazies got Crazy on us!

Absolutely breathtaking views with a long, beautiful dirt road in to the campsite. The campground is rural but perfectly well equipped with vault toilets (which needed tending to when we were there TBH), rock fire rings and picnic tables. We were looking forward to exploring this gorgeous area, but Mother Nature had other plans for us. We were able to easily find a private site and set up camp and have a peaceful evening under the stars, looking forward to our hike in the morning. We went to sleep all happy and cozy. We woke up to the craziest wind storm around 1am!!! Our tent took quite a beating, we are estimating that winds were above 50mph!!! Needless to say, we were exhausted in the morning and packed up promptly and promised ourselves we would return!

  • Review photo of Halfmoon Campground by Rachel S., September 6, 2020
  • Review photo of Halfmoon Campground by Rachel S., September 6, 2020
  • Review photo of Halfmoon Campground by Rachel S., September 6, 2020
  • (5) View All
Reviewed Jun. 14, 2020

Great Campsite

There is a bathroom, no water. Lots of space between campsites. $5 per campsite. Fire pit area. A pretty swampy area but so beautiful at the base of the mountain with the Twin Lakes trailhead right across from the campground.

  • Review photo of Halfmoon Campground by Michelle M., June 14, 2020
Reviewed Aug. 25, 2017

Halfmoon Magic

Nestled at the base of the soaring peaks of the Crazy Mountain Range, Halfmoon Campground feels truly magical. The dozen campsites are spread amongst the tall pine forest; each accommodated with a picnic table, fire ring and ample flat spaces for tents. There is also a toilet facility and minimal cellular service.

The scenery surrounding the campground is breathtaking: sharp peaks that rise upwards of 7,000 ft in elevation, crystal clear mountain streams rushing down the mountain sides, waterfall after waterfall, and two mountain lakes at the top of the 6 mile trail. Halfmoon Campground, I will be back! Also, it is a no-fee camping area.

Link to the varied legends of the naming of the Crazies:http://www.outsidebozeman.com/summer-2003/how-crazies-got-their-name

SiteSite #9
Month of VisitJuly
  • Review photo of Halfmoon Campground by Aspen K., August 25, 2017
  • Play button icon
  • Review photo of Halfmoon Campground by Aspen K., August 25, 2017
  • (10) View All
Reviewed Jul. 20, 2017

Beautiful hike to waterfalls!

Great campsites on a loop with a bit of a space in between, nice hiking trails to waterfalls! The road in is a bit rough the last few miles so larger campers might have problems. Excellent for a day adventure!

Month of VisitJuly

Frequently Asked Questions

Are there photos of Halfmoon Campground to view before visiting?

Yes, photos of Halfmoon Campground are available online through various platforms. These images showcase the campground's forested setting with tall pines, spacious campsites, and the stunning backdrop of the Crazy Mountains. Photos typically highlight the individual sites with their fire rings and picnic tables, as well as the breathtaking mountain views that surround the area.

What amenities are available at Halfmoon Campground?

Halfmoon Campground offers basic amenities including vault toilets, picnic tables, and fire rings at each site. The dozen campsites are well-spaced among tall pine trees, providing privacy. There's no potable water available, so campers need to bring their own. The campground costs $5 per site. Each site has ample flat spaces for tent setup, and the area features hiking trails nearby, including access to waterfalls.

Where is Halfmoon Campground located in Montana?

Halfmoon Campground is nestled at the base of the Crazy Mountain Range in Montana. The campground is accessed via a 16-mile gravel road, with the last few miles becoming rougher and requiring careful navigation. It's positioned in a beautiful valley setting with a creek nearby and serves as a gateway to the Twin Lakes trailhead, which is located directly across from the campground.

What do reviews say about Halfmoon Campground?

Halfmoon Campground is praised for its breathtaking mountain views and well-separated sites that offer privacy among the pine forest. Visitors appreciate the nearby hiking opportunities, particularly the trails leading to waterfalls including Big Timber Falls. The campground fills up by evening on weekends, so arriving early is recommended. While the 16-mile gravel road access presents challenges, especially for larger vehicles, most find the journey worthwhile for the serene setting. Wildlife sightings including black bears and moose are common in the area.

What camping options are available in the Crazy Mountains of Montana?

The Crazy Mountains offer several camping options, with Halfmoon Campground being a primary established site in the area. This campground provides designated sites with basic amenities at the base of the mountains. The region is best suited for tent camping and smaller vehicles due to road conditions. For those seeking a more remote experience, backcountry camping is available along the numerous hiking trails that wind through the mountains. The Twin Lakes trailhead near Halfmoon provides access to backcountry opportunities. Note that a 4WD vehicle is recommended for accessing most camping areas in the Crazy Mountains.