Closed

Closed for the season. The campground opens May 15, 2026 and operates through mid-October. Reservations are available through midnrreservations.com.

Red Flag Warning issued October 10 at 2:58AM EDT until October 11 at 6:00PM EDT by NWS Marquette MI

2:58 AM — 5:00 PM

* AFFECTED AREA...Fire Weather Zone 002 Ontonagon and Fire Weather Zone 009 Gogebic. * TIMING...From noon EDT /11 AM CDT/ today to 6 PM EDT /5 PM CDT/ Sunday. * WINDS...Today, south 10 to 20 mph with gusts up to 35 mph. Sunday, south 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...Today, as low as 32 percent. Recover to 55-60 percent tonight. Sunday, as low as 32 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

About

Union Bay Campground serves as the modern camping hub within Michigan's largest state park, the 60,000-acre Porcupine Mountains Wilderness. The campground offers 100 sites arranged in three rows, all equipped with 20/30-amp electrical hookups, fire rings, and picnic tables. The most coveted sites are the 29 premium waterfront spots positioned directly on Lake Superior's rocky Union Bay shoreline, where campers fall asleep to the sound of waves. The campground provides full modern amenities including heated restrooms with flush toilets and hot showers, a sanitation station with two dump lanes and potable water, and a seasonal camp store offering supplies, gifts, and canoe/kayak rentals. A paved boat launch provides direct Lake Superior access, and an accessible fishing pier extends into the bay. The sandy Union Bay beach is a short walk away. From Union Bay, campers can access the park's 90+ miles of hiking trails, including routes to the iconic Lake of the Clouds overlook. The campground also hosts a disc golf course with rental discs available at the camp store.

Directions

Located on Highway M-107 in Ontonagon County, Michigan, approximately 20 miles west of the town of Ontonagon. The campground office is at 36714 M-107, Ontonagon, MI 49953, near the park's visitor center at the junction of South Boundary Road and M-107.

Amenities

Water Yes
Fires Allowed Yes
Toilets Yes
Dump Station Yes
Wifi —
Pets Allowed Yes
Showers Yes
Electric Hookups Yes
Water Hookups No
Sewer Hookups No
Camp Store Yes
Price $41

Vehicle

Max RV Length 50ft
Max Trailer Length 50ft
Big Rig Friendly —
Pull Through Sites No

Contact

Phone +1 (906) 885-5275

Cell Service

AT&T Yes
Verizon None
T-Mobile None

Availability

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