Richardson's Rock Ranch
Rockhounding site in Madras, Oregon · Agate & Jasper
Richardson's Rock Ranch is a thunderegg rockhounding site near Madras, OR. Fee required. Best season: May through October when fields are open.
Typical season: May through October when fields are open
Key facts
Structured details for trip planning — verify access and fees with the land manager before you visit.
- Specimen type
- Thunderegg
- Primary specimens
- Thunderegg, Agate, Jasper
- Fee status
- Fee required
- Nearest town
- Madras
- State
- Oregon
- Coordinates
- 44.27800, -121.18200
- Best season
- May through October when fields are open
- Access difficulty
- Easy; open digging fields
- Camping
- Madras hotels or Crooked River camping
- Activities
- Thunderegg digging, slab cutting
- Facilities
- Restrooms, tools for rent, on-site cutting
- Last updated
- July 5, 2026
What to pack for Richardson's Rock Ranch
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The experience
- Best time to visitMay through October when fields are open
- AccessEasy; open digging fields
- FacilitiesRestrooms, tools for rent, on-site cutting
- Camping nearbyMadras hotels or Crooked River camping
Map & location
Sources & updates
Spotted outdated access, fees, or safety info? Send a correction with the page URL — we review every submission.
Safety notice: Field and weather conditions change with weather, season, and field conditions. Verify current conditions with local land managers before you go. Collect at your own risk — there are rarely rangers or land managers at these sites.