Come see all we have done in our first year, Many upgrades including 24 hr laundry and a dog wash.
We have a after hours, night registration box.
Office # (406) 665-1635.
Office hours 8 am to 8 pm MST
After hours # 971-322-3239
The Hardin KOA is halfway between Yellowstone National Park and Mt. Rushmore. Come and stay with us and enjoy all that our area has to offer. You'll be glad you did!
Jon & Kristy Mastin
We currently offer the following activities:
KOA cancellation policy is as follows:
PHONE CALLS ONLY!!!! NO EMAIL TO CANCEL!!!!!!
RV sites 2 days before arrival date will cost $10.00. If later than 2 days all of the deposit will be taken.
Cabin's and RU unit are 7 days before arrival date will cost $10.00. If later than 7 days all the deposit will be taken.