Lakeport State Park Campground: Rockhounding in Saint Clair County, Michigan
Updated August 2026
Lakeport State Park Campground is a mapped rockhounding spot in Saint Clair County, Michigan. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Lakeport State Park Campground in Saint Clair County, Michigan
Quick details
- Access
- Paid / fee dig
- County
- Saint Clair County
- State
- Michigan
- Coordinates
- 43.12408, -82.49678
Geology at Lakeport State Park Campground
This spot sits on Antrim Shale, mapped as black shale that formed roughly 385 to 360 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.
- Mapped unit
- Antrim Shale
- Age
- 385–360 Ma (Late Devonian)
- Rock types
- black shale
- Elevation
- 620 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Best time to visit Lakeport State Park Campground
Best months: April to November. Typical highs run 78°F in midsummer and 30°F in midwinter, with winter lows near 16°F.
Climate normals: NOAA 1991-2020 monthlies, LEXINGTON WTP station (10 mi away).
Land & collecting status
Pay-to-dig site
This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- Michigan DNR — Rockhounding rules
- Michigan Geological Survey
- Isle Royale National Park — Rules
- Community submissions reviewed against published agency rules
Nearby rockhounding spots
Other rockhounding spots within driving distance of Lakeport State Park Campground.
- Burtchville Twp. ParkSaint Clair County, Michigan · 1 mi away
- Fort Gratiot County ParkSaint Clair County, Michigan · 3 mi away
- Keewahdhin BeachSaint Clair County, Michigan · 6 mi away
- Lakeside ParkSaint Clair County, Michigan · 8 mi awayPetoskey Stone, Unakite, Puddingstone
- Lighthouse BeachSaint Clair County, Michigan · 9 mi away
- Sanilac County Lexington ParkSanilac County, Michigan · 13 mi away
- Lake Huron Roadside ParkSanilac County, Michigan · 19 mi awayPuddingstone, Gowganda Tillite, Stinkstone
- Delaware ParkSanilac County, Michigan · 34 mi away
