Where to Find Agatized Wood in Texas

Texas has 13 mapped collecting spots that report agatized wood, spread across 11 counties. The largest share sits in Houston County with 2 spots. 12 of the spots are on land mapped as publicly accessible.

Spot list checked against source data on April 1, 2026.

Standout agatized wood spots in Texas

Hand-picked from the full list below, with the reason each one earns a trip.

Davy Crockett National Forest (Ratcliff Lake)
Houston County
The Davy Crockett National Forest sits in the petrified-wood belt of East Texas, where silicified and agatized wood weathers out of Catahoula and Manning Formation gravels alongside jasper and agate.
Brazos River at Brazos Park East
McLennan County
The Brazos is a navigable Texas river, so its bed is state-owned and open to public use where reached from a public access point.

Best counties for agatized wood in Texas

Ranked by the number of mapped agatized wood spots. County links open the full rockhounding page for that county.

Houston County2 spots
Zapata County2 spots
Armstrong County1 spot
Brewster County1 spot
Burleson County1 spot
Hidalgo County1 spot
Jasper County1 spot
McLennan County1 spot
Randall County1 spot
Travis County1 spot
Webb County1 spot

Every agatized wood spot we track in Texas

Sorted by county. Coordinates open in Google Maps.

Spot	County	Minerals	Coordinates	Access
Prairie Dog Town Fork of Red RiverState Highway 207	Armstrong County	Agatized Wood	34.8335, -101.4141	Public
Agua Fria RanchAgua Fria Road	Brewster County	Agate Agatized Wood	29.5252, -103.6739	Public
Creek beds & hill slopes between Caldwell & Somerville	Burleson County	Petrified Wood Agatized Wood	30.3629, -96.6913	Public
Gravel pits near Rio GrandeFlores Street	Hidalgo County	Agate Jasper Agatized Wood	26.2408, -98.5635	Public
Davy Crockett National Forest (Ratcliff Lake)	Houston County	Petrified Wood Agatized Wood Jasper Agate Chalcedony	31.3729, -95.1658	Public
Large area between CrockettCrockett Road	Houston County	Jasper Agatized Wood	31.1719, -95.3796	Public
McGee Bend damSam Rayburn Parkway	Jasper County	Agatized Wood	31.0568, -94.1030	Permission
Brazos River at Brazos Park East	McLennan County	Petrified Wood Agatized Wood Agate Jasper Chert	31.5898, -97.1540	Public
Palo Duro Canyon	Randall County	Agatized Wood	34.9794, -101.7053	Public
E of Austin	Travis County	Agatized Wood Petrified Palm Wood	30.2358, -97.5460	Public
Rio Grande River AreaRio Grande Vega Trail	Webb County	Agate Agatized Wood Chalcedony Jasper	27.4979, -99.4922	Public
Falcon Lake General AreaOld U.S. Highway 83	Zapata County	Agate Agatized Wood Jasper	26.7343, -99.2020	Public
LopenoEl Tigre Road	Zapata County	Agate Agatized Wood Chalcedony Jasper	26.7131, -99.1313	Public

Before you go

Read the agatized wood identification guide so you know what a keeper looks like in the field: Agatized Wood in the encyclopedia.

Agatized Wood in Texas FAQ

Where can you find agatized wood in Texas?+

The mapped spots concentrate in Houston County, Zapata County, and Armstrong County. Every spot on this page appears on the map above with coordinates and access notes.

How many agatized wood spots are mapped in Texas?+

13 spots across 11 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.

Is it legal to collect agatized wood in Texas?+

Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 12 of the 13 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.

Where else to find agatized wood

More minerals to hunt in Texas

Hunt agatized wood in Texas with the map in your pocket

RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.