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Big Timber / Greycliff KOA Journey

Welcome to the Big Timber KOA! New ownership as of the 2020 season! With friendly, helpful staff and ongoing improvements and remodeling, we want to make your visit relaxing, rejuvenating and fun!

We are located at I-90 exit 377, on the south side frontage road (same side as the Prairie Dog Town State Park). Filled with beautiful trees and bordered by a lazy Montana creek, the Big Timber KOA is a wonderful spot to come relax and spend time with friends and family. On site, enjoy our heated pool and Jumping Pillow, or we have a game room with air hockey and a pool table for evening fun. Our friendly staff is happy to make suggestions if you're interested in a few hours or day trip to enjoy the beautiful Montana outdoors. We offer free WiFi. We can accommodate rigs up to 110 feet! Our pull-through sites sell out fast, so please call for availability. No RV? Stay in a comfortable cabin or bring your tent for an old-fashioned camping experience. Many local attractions, including Natural Bridge Falls, the Crazy Mountain Museum, and quaint dining and shopping in Big Timber.  Your park host: Jake Klingensmith

User Reviews

Dallas M

September 16, 2025

The Big Timber KOA, managed by Jonathan. Probably one of the nicest campgrounds I’ve ever stayed in. Just really top-notch. One row of sites actually has their own hot tubs. Lots of worthwhile items in the office store, great amenities. I cannot say enough great things about the manager, he is a sincere man with a desire to make your stay wonderful. The cast iron sewer covers, for your hookups, are the best I have ever seen. They fit on your connector to keep it weighted in place.

Darlene Cameron

August 11, 2025

The setting we have is by a very small creek under some large shade trees. We have a small young dog and there is a nice green area for walks and also a dog fenced play area. This KOA has a lot of trees, nice grassy areas, and the bathrooms are really clean. Every employee we have met has been very nice and helpful! They have a cute store with an assortment of items and (when we were here) they have fresh made breakfast burritos for sale! One of the nicest KOAs we have stayed in on our 2 week vacation

Christina Graiff

August 07, 2025

The campground as a whole is nice. Our only real issue was the train that went by and honked at all hours of the night. The store does have ear plugs available. It is recently under new management. Some additional improvements could be made: the pool area could be improved and the raspberry/blackberry bushes removed to improve the bee/mosquito issue around the pool. The restrooms are nice but could use some light cleaning and blue lights or something to help reduce bugs in the facilities. There are a handful of campsites with dedicated hot tubs (we’ll be looking into those next time). The jumping pad was just fixed the day we arrived, and the kids enjoyed it. The store is well stocked and provides tasty breakfast burritos each morning while supplies last. They also have a variety of frozen meals and a place to prep them as the nearest restaurants are in Big Timber (about 9 miles) and limited. Overall a very nice facility.

David Bottomley

July 22, 2025

We stayed here for 3 days in July 2025. Overall, we enjoyed our stay, but there are some issues they should address. The pool is supposed to be heated, but it's not. Navigating within the campground is tricky because the roads and sites are so narrow. We had to off-track a lot into the grass, which is fine as long as there are no other rigs in the way. Our pedestal was damaged by the previous visitor, probably from tailswing trying to navigate out. The campground store and building is nice, and they have pool and air hockey and a nice playground area with jumping pad. Road and train noise can be loud.

Yazil Mendoza

July 08, 2025

The staff was friendly. I would however not come here again. When you go to get to your spot it’s so confusing the whole time I was there I saw everyone doing multiple circles trying to find their spots. I feel like they should take you to your spot the other koas I have been to drive you there on their golf cart. No one seemed to clean up after their dogs on the K9 park. The garbage there was disgusting and overflowing. The bathrooms in the morning were filled with bugs on the sink and flying over the lights. They offer free ear plugs in the store because of the traffic and the train being right there is kinda annoying when you are just wanting some peace and quiet. Another thing is the fact that everyone just walks there your camp site.

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