Agates near Corpus Christi, TX
9 of the mapped rockhounding spots within 150 miles of Corpus Christi report agate. The closest is Mathis, about 33 miles out (41 min drive).
Agates are banded chalcedony nodules that survive long after their volcanic host rock rots away, which is why they concentrate in gravel bars, beaches, and glacial deposits far from where they formed.
Map of 9 agate collecting spots within 150 miles of Corpus Christi, Texas
Closest agates spots to Corpus Christi
- MathisSan Patricio County, Texas33 mi · 41 min driveMoss Agate
- SW of FreerDuval County, Texas84 mi · 1 hr 45 min driveAgate, Silicified Wood
- Peach CreekGonzales County, Texas118 mi · 2 hr 27 min driveAgate, Petrified Wood
- MoultonLavaca County, Texas122 mi · 2 hr 33 min driveAgate, Petrified Wood
- Gravel pits near Rio GrandeHidalgo County, Texas130 mi · 2 hr 42 min driveAgate, Jasper, Agatized Wood
- Rio Grande River AreaWebb County, Texas130 mi · 2 hr 42 min driveAgate, Agatized Wood, Chalcedony
Types of agates reported near Corpus Christi
Counts reflect how many spots in this radius mention each variety.
Every agate spot within 150 miles of Corpus Christi
Sorted by distance from Corpus Christi. Tap a row for directions, access status, and nearby trips.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| MathisSouth State Highway 359 | San Patricio County | 28.0383, -97.8598 | Public | |
| SW of Freer | Duval County | 27.7726, -98.7653 | Public | |
| Peach CreekCounty Road 353 | Gonzales County | 29.5041, -97.3143 | Public | |
| MoultonCounty Road 532G | Lavaca County | 29.5580, -97.1321 | Public | |
| Gravel pits near Rio GrandeFlores Street | Hidalgo County | 26.2408, -98.5635 | Public | |
| Rio Grande River AreaRio Grande Vega Trail | Webb County | 27.4979, -99.4922 | Public | |
| LopenoEl Tigre Road | Zapata County | 26.7131, -99.1313 | Public | |
| Rio Grande | Starr County | 26.3624, -98.8352 | Public | |
| Falcon Lake General AreaOld U.S. Highway 83 | Zapata County | 26.7343, -99.2020 | Public |
Agates near Corpus Christi FAQ
Where can I find agates near Corpus Christi?+
9 mapped spots within about 150 miles of Corpus Christi report agate. The closest is Mathis in San Patricio County County, roughly 33 miles away (41 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Corpus Christi?+
9 of the 9 spots here sit on land mapped as publicly accessible. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
What is the fastest way to spot an agate in a gravel bed?+
Look for waxy luster and translucence rather than color. Wet the stone or look right after rain: agate glows softly at thin edges when backlit, while jasper and chert stay opaque. Banding clinches it but is often hidden until the stone is cracked or tumbled.
How far from Corpus Christi do I need to drive?+
The nearest agate spot is about 33 miles out, and the farthest on this list is 133 miles. Most fall inside a normal weekend day-trip radius.
Keep exploring from Corpus Christi
Agates near other cities
Hunt agates around Corpus Christi with the map in your pocket
RockHoundR shows these spots on an offline map with public land overlays, geology layers, weather, and a log for your finds.
