N of Cross: Petrified Wood Rockhounding in Madison County, Texas

Updated June 2026

N of Cross is a mapped rockhounding spot in Madison County, Texas. Reported finds include petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Madison County
State: Texas
Nearest road: FM 39 South
Postcode: 77872
Coordinates: 30.89832, -96.10667

Geology at N of Cross

This spot sits on Yegua Formation, mapped as claystone and sandstone that formed roughly 56 to 34 million years ago. Sedimentary beds like these are the typical host for petrified and silicified wood, which weathers out as durable float on slopes and in washes.

Mapped unit: Yegua Formation
Age: 56–34 Ma (Eocene)
Rock types: claystone and sandstone
Elevation: 370 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 N of Cross

Best months: October to May. Typical highs run 94°F in midsummer and 61°F in midwinter, with winter lows near 36°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, MADISONVILLE station (11 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 N of Cross

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

Petrified Wood Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of N of Cross.

N of Cross FAQ

Where is N of Cross?+

N of Cross is in Madison County, Texas, at 30.89832, -96.10667. Nearest road: FM 39 South.

What rocks and minerals can you find at N of Cross?+

N of Cross is reported to produce Petrified Wood.

Is collecting allowed at N of Cross?+

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 N of Cross?+

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 N of Cross?+

The most comfortable months at N of Cross are October 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 N of Cross?+

Open the directions link to navigate to 30.89832, -96.10667 in Google Maps. The nearest road is FM 39 South.

More rockhounding in Texas

See all 94 Texas spots →

Open N of Cross on the map

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