Along Plum Creek: Alibates Flint Rockhounding in Moore County, Texas

Updated June 2026

Along Plum Creek is a mapped rockhounding spot in Moore County, Texas. Reported finds include alibates flint. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Moore County
State: Texas
Nearest road: Blue West Road
Coordinates: 35.68139, -101.65024

Geology at Along Plum Creek

This spot sits on Quartermaster Formation and Whitehorse Group, undivided, mapped as sandstone mudstone that formed roughly 300 to 250 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: Quartermaster Formation and Whitehorse Group, undivided
Age: 300–250 Ma (Permian)
Rock types: sandstone mudstone
Elevation: 3,040 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 Along Plum Creek

Best months: September to May. Typical highs run 96°F in midsummer and 52°F in midwinter, with winter lows near 21°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, SANFORD DAM station (6 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.

State guidance last verified: April 1, 2026

Texas Parks and Wildlife Department
Bureau of Economic Geology — Texas geology
Big Bend National Park — Rules
Community submissions reviewed against published agency rules

Found at Along Plum Creek

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

Alibates Flint Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Along Plum Creek.

Along Plum Creek FAQ

Where is Along Plum Creek?+

Along Plum Creek is in Moore County, Texas, at 35.68139, -101.65024. Nearest road: Blue West Road.

What rocks and minerals can you find at Along Plum Creek?+

Along Plum Creek is reported to produce Alibates Flint.

Is collecting allowed at Along Plum Creek?+

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 Along Plum Creek?+

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 Along Plum Creek?+

The most comfortable months at Along Plum Creek are September to May. Summer heat here is intense, so carry more water than you think you need and work the early morning.

How do I get to Along Plum Creek?+

Open the directions link to navigate to 35.68139, -101.65024 in Google Maps. The nearest road is Blue West Road.

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Open Along Plum Creek on the map

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