RockHoundR
Back to map

Lakeside Park: Petoskey Stone & Unakite Rockhounding in Saint Clair County, Michigan

Public access4 mineralsSaint Clair County, MichiganUpdated August 2026
Minerals reported
4
Elevation
600 ft
Best months
April to November

Lakeside Park is a mapped rockhounding spot in Saint Clair County, Michigan. Reported finds include petoskey stone, unakite, puddingstone, cold water agate. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Generally open to casual rockhounding

Get directionsView on Google Maps

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

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.

Best time to visit Lakeside Park

Comfortable months (45 to 90°F highs)

Best months: April to November. Typical highs run 81°F in midsummer and 31°F in midwinter, with winter lows near 20°F.

Climate normals: NOAA 1991-2020 monthlies, PORT HURON station (3 mi away).

Geology at Lakeside Park

This spot sits on Antrim Shale, mapped as black shale that formed roughly 385 to 360 million years ago. Tough silica like agate, jasper, and chert typically weathers out of beds like these and collects as float in drainages and on deflation surfaces.

Mapped unit
Antrim Shale
Age
385–360 Ma (Late Devonian)
Rock types
black shale
Elevation
600 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.

Today's weather

Is today a good day to go?

The app shows live weather, recent rain, and a daily rockhounding score for Lakeside Park.

Get the app

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:

Found at Lakeside Park

Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Lakeside Park.

  • Lighthouse BeachSaint Clair County, Michigan · 1 mi away
  • Keewahdhin BeachSaint Clair County, Michigan · 2 mi away
  • Fort Gratiot County ParkSaint Clair County, Michigan · 5 mi away
  • Lakeport State Park CampgroundSaint Clair County, Michigan · 8 mi away
  • Burtchville Twp. ParkSaint Clair County, Michigan · 9 mi away
  • Sanilac County Lexington ParkSanilac County, Michigan · 21 mi away
  • Lake Huron Roadside ParkSanilac County, Michigan · 27 mi awayPuddingstone, Gowganda Tillite, Stinkstone
  • Delaware ParkSanilac County, Michigan · 42 mi away

Lakeside Park FAQ

Where is Lakeside Park?+
Lakeside Park is in Saint Clair County, Michigan, at 43.01975, -82.43025.
What rocks and minerals can you find at Lakeside Park?+
Lakeside Park is reported to produce Petoskey Stone, Unakite, Puddingstone, Cold Water Agate.
Is collecting allowed at Lakeside Park?+
Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.
What tools should I bring to Lakeside Park?+
Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.
When is the best time to visit Lakeside Park?+
The most comfortable months at Lakeside Park are April to November.
How do I get to Lakeside Park?+
Open the directions link to navigate to 43.01975, -82.43025 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Michigan

See all 119 Michigan spots →

Open Lakeside Park on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.

Download on the App StoreGet it on Google Play
QR code that opens RockHoundR in your phone's app store
Get directionsDirections