Ontonagon, Ontonagon County, MI · 100 sites
Porcupine Mountains Union Bay-Modern is a Michigan state park campground in Ontonagon County, in the Upper Peninsula, at 614 feet elevation. Sites offer electric hookups, flush toilets, and showers, and can be reserved in advance. Fireside Grill is 0.6 miles away, while Aspirus Ontonagon Hospital lies 15.7 miles out, suggesting a fairly remote setting.
33303 Headquarters Road, Ontonagon, MI, 49953
Phone: 906-885-5275
Official website
Amenities
- 20/30-amp service
- 50-amp service
- Boat launch
- Camp store
- Canoe/kayak access
- Electric hookups
- Fishing
- Flush toilets
- Hiking trails
- Pet-friendly
- Reservations
- Showers
- Swimming
Campground map
Reviews
No reviews yet. Been here? Write the first one.
Write a review
Nearby services
Gas stations
- Konteka Black Bear Resort · 6.0 mi
- Marathon · 15 mi
- Ontonagon · 16 mi
Groceries
- Pat's Foods IGA -Ontonagon · 15 mi
- The Squeeze On Main · 16 mi
- Pat's Foods IGA · 16 mi
Convenience stores
- Silver City General Store · 3.3 mi
- Konteka Convenience Store · 5.9 mi
- M 64 Truck Stop · 15 mi
Restaurants
- Fireside Grill · 0.6 mi
- Porkies Outpost · 3.1 mi
- Curbside Kitchen Restaurant on Wheels · 3.3 mi
Hospitals
- Aspirus Ontonagon Hospital · 16 mi
- Grandview Hospital · 32 mi
- Aspirus Ironwood Hospital · 32 mi
Pharmacies
- Aspirus Pharmacy – Ontonagon · 16 mi
- Harbor Town Pharmacy · 16 mi
- Wakefield Pharmacy · 28 mi
Hardware stores
- Ace Hardware · 16 mi
- Ontonagon True Value Hardware · 16 mi
- Hawley Lumber Company · 16 mi
EV charging
- 924 River St Parking · 16 mi
- Big Valley Ford · 26 mi
- Adventure Mining Co · 27 mi
Local events
Fairs — 2 of 2 within 50 miles
- Ontonagon County Fair 26 mi
Late summer · Greenland
- Gogebic County Fair 36 mi
Early August (4 days) · Ironwood
Festivals & Celebrations — 2 of 3 within 50 miles
- Ontonagon Labor Day Festival 16 mi
Labor Day weekend · Ontonagon
- CopperFest 16 mi
Late July · Ontonagon
Farmers Markets — 2 of 2 within 50 miles
- Depot Park Farmers & Artisans Market 36 mi
Late Jun-early Oct · Ironwood
- Ironwood Township Farmers Market 36 mi
Early Jul-early Oct · Ironwood
Arts & Music — 2 of 2 within 50 miles
- Porcupine Mountains Music Festival 16 mi
July · Ontonagon
- Emberlight Festival 36 mi
Late June-August · Ironwood
Antiques — 1 of 1 within 50 miles
- Dan's Antique Mall 36 mi
Year-round · Ironwood
Notes & sources
Distances to nearby services and local events are straight-line, not driving distance — the real drive is longer, and around water or on an island there may be no road route at all.
Nearby services checked August 2026. Businesses close without notice; call ahead if it matters.
Recurring annual events and markets near this campground. Timings repeat each year — confirm with the organiser before travelling.
Data: (c) Foursquare Labs, via Overture Maps Foundation (Apache-2.0) · (c) Meta Platforms, via Overture Maps Foundation (CDLA-Permissive-2.0) · (c) OpenStreetMap contributors (ODbL-1.0) · AllThePlaces (CC0), via Overture Maps Foundation (CC0-1.0) · U.S. Department of Energy / NREL Alternative Fuels Data Center (NREL-DOE-Alliance)