Rio Grande River Area — Rockhounding in Webb County, Texas
Rio Grande River Area is a mapped rockhounding spot in Webb County, Texas. Reported finds include agate, agatized wood, chalcedony, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Rio Grande River Area in Webb County, Texas
Quick details
- Access
- Public area
- County
- Webb County
- State
- Texas
- Nearest road
- Rio Grande Vega Trail
- Postcode
- 78040
- Coordinates
- 27.49789, -99.49218
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:
- 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 Rio Grande River 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 Rio Grande River Area.
- General AreaWebb County, Texas · 48 mi awayPetrified Palm
- SW of FreerDuval County, Texas · 48 mi awayAgate, Silicified Wood
- Falcon Lake General AreaZapata County, Texas · 56 mi awayAgate, Agatized Wood, Jasper
- LopenoZapata County, Texas · 59 mi awayAgate, Agatized Wood, Chalcedony
- Rio GrandeStarr County, Texas · 88 mi awayAgate, Chalcedony, Jasper
- H.D. House Ranch areaLive Oak County, Texas · 102 mi awayAgatized Fern Buds, Jasper, Chalcedony
- Gravel pits near Rio GrandeHidalgo County, Texas · 104 mi awayAgate, Jasper, Agatized Wood
- Eagle PassMaverick County, Texas · 104 mi awayAgate, Amber, Chalcedony
Rio Grande River Area FAQ
Where is Rio Grande River Area?+
What rocks and minerals can you find at Rio Grande River Area?+
Is collecting allowed at Rio Grande River Area?+
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More rockhounding in Texas
See all 85 Texas spots →Open Rio Grande River Area on the map
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