Middletown: Stibnite Rockhounding in Frederick County, Maryland

Updated June 2026

Middletown is a mapped rockhounding spot in Frederick County, Maryland. Reported finds include stibnite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Frederick County
State: Maryland
Nearest road: Wiles Branch Path
Postcode: 21769
Coordinates: 39.44000, -77.55999

Geology at Middletown

This spot sits on quaternary alluvium, mapped as gravel that formed within roughly the last 12,000 years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: quaternary alluvium
Age: < 1 Ma (Holocene)
Rock types: gravel
Elevation: 410 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 Middletown

Best months: February to December. Typical highs run 88°F in midsummer and 43°F in midwinter, with winter lows near 26°F.

Climate normals: NOAA 1991-2020 monthlies, FREDERICK POLICE BRKS station (7 mi away).

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.

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Middletown

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

Stibnite

Nearby rockhounding spots

Other rockhounding spots within driving distance of Middletown.

Across the state line from Middletown

Middletown is close enough to the Maryland border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Middletown FAQ

Where is Middletown?+

Middletown is in Frederick County, Maryland, at 39.44000, -77.55999. Nearest road: Wiles Branch Path.

What rocks and minerals can you find at Middletown?+

Middletown is reported to produce Stibnite.

Is collecting allowed at Middletown?+

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 Middletown?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Middletown?+

The most comfortable months at Middletown are February to December.

How do I get to Middletown?+

Open the directions link to navigate to 39.44000, -77.55999 in Google Maps. The nearest road is Wiles Branch Path.

More rockhounding in Maryland

See all 42 Maryland spots →

Open Middletown on the map

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