Falcon Lake General Area: Agate & Agatized Wood Rockhounding in Zapata County, Texas

Updated June 2026

Falcon Lake General Area is a mapped rockhounding spot in Zapata County, Texas. Reported finds include agate, agatized wood, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Zapata County
State: Texas
Nearest road: Old U.S. Highway 83
Coordinates: 26.73429, -99.20197

Geology at Falcon Lake General Area

This spot sits on ground mapped as Falcon Reservoir. Petrified wood typically shows up as durable float on slopes and in washes cut into ground like this.

Mapped unit: Falcon Reservoir
Elevation: 300 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 Falcon Lake General Area

Best months: October to April. Typical highs run 98°F in midsummer and 68°F in midwinter, with winter lows near 47°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, ZAPATA 1 S station (10 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 Falcon Lake General Area

Each chip 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 Falcon Lake General Area.

Falcon Lake General Area FAQ

Where is Falcon Lake General Area?+

Falcon Lake General Area is in Zapata County, Texas, at 26.73429, -99.20197. Nearest road: Old U.S. Highway 83.

What rocks and minerals can you find at Falcon Lake General Area?+

Falcon Lake General Area is reported to produce Agate, Agatized Wood, Jasper.

Is collecting allowed at Falcon Lake General Area?+

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 Falcon Lake General Area?+

A rock hammer, sturdy gloves, and a padded bag cover petrified wood hunting. Most pieces are surface float, so walking slopes and washes beats digging.

When is the best time to visit Falcon Lake General Area?+

The most comfortable months at Falcon Lake General Area are October to April. Summer heat here is intense, so carry more water than you think you need and work the early morning.

How do I get to Falcon Lake General Area?+

Open the directions link to navigate to 26.73429, -99.20197 in Google Maps. The nearest road is Old U.S. Highway 83.

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