Aerial view of Blacktail Dam

Blacktail Dam


The park at Blacktail Dam is located about 25 miles north of Williston and offers camping, picnic areas, boating, and several playgrounds. There is also a 9 hole golf course located on the north side of the park.



  • Beach Access
  • Boat Ramp
  • Fish Cleaning Station
  • Fishing Platform
  • Picnic Pavilions
  • Playground
  • Restrooms
  • RV Dump Station
  • Showers
  • Water potable and non-potable

Additional Information


All motorized and non-motorized watercraft are allowed.


The Blacktail Dam Golf Course is a 9 hole, par 3 course located on the north side of the park. A $5 donation is suggested. Please bring your own clubs, balls, and tees. A bathroom and a picnic shelter are located by the 1st tee. Download the course map here.

Make a Campsite Reservation

Seasonal Campsites

The lottery for 2023 Seasonal Sites opens on March 1, 2023 at 9 am CT. Entries must be postmarked by Monday, April 10 and sites will be drawn during the April 18, 2023 Park Board Meeting. Only RVs and campers are permitted to apply for the seasonal sites.

Available sites: 18, 22, 23, 38, 39 (sites are randomly assigned)
Cost: $1,750 per site
Season: May 1, 2023 until October 1, 2023

The lottery is now closed. Campers will be selected during the April 18, 2023 Park Board meeting.

Nightly Camping

2023 reservations will open on March 1, 2023

Williams County now offers the ability to reserve a campsite online for Blacktail Dam! Campsites may be reserved same day or in advance for the duration of the year for a maximum of 14 days (13 nights) and a maximum of four sites per reservation, per person. Campsites can still also be reserved onsite/day of by paying at the park with cash or check.


Credit card (American Express, Visa, Discover, and MasterCard) is accepted online. A service fee of $3 will be applied to each reservation plus a service fee for using a credit/debit card (minimum of $2.50 or 4.5%). Cash or check are accepted onsite at the campground (please visit the pay station).

Primitive or Tent Campsites: $10/night
There are 9 dedicated tent campsites.

Primitive camping is allowed anywhere on park land, but campfires are only allowed in fire rings.

Electric Campsites: $15/night
There are 55 campsites with electrical hookups (20/30/50 amp).

Group Camping
There is one site with electrical hookups designated for Group Camping. Campers must pay individually, per night. A minimum of 2 campers/RVs and a maximum of 4 campers/RVs are allowed.

Overflow Camping
There are 9 campsites designated for Overflow Camping; these campsites are only available during special events.


Check-in begins at 3 pm CT and checkout is at 2 pm CT. If you made your reservation online, please check-in using the link provided via email. Check your spam if you did not receive the email!

If you plan to reserve a site at the park, please deposit your payment at the pay station then text 701-580-1628. Include the last name of the party, the number of nights you plan to stay and the site number that you will be camping in.

Cancellation Policy

Effective June 1, 2023, reservations may be cancelled for a full refund up to 48 hours (2 days) prior to your check-in date. For cancellations less than 48 hours in advance, please call 701-580-1628; a partial refund may be issued based on length of stay.

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