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Troutdale: Epidote & Red Jasper Rockhounding in Grayson County, Virginia

Public accessBest spot3 mineralsGrayson County, VirginiaUpdated July 2026
Minerals reported
3
Elevation
2,760 ft
Best months
February to December

The Troutdale area sits on the Blue Ridge basement where unakite, the pink-and-green epidote-feldspar granite that is one of Virginia's signature lapidary stones, weathers out along creeks and cuts alongside epidote and red jasper. Mindat and Virginia Department of Energy records document the occurrences, making this southwestern corner a reliable free tumbling-rough locality. Reported finds include epidote, red jasper, unakite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Generally open to casual rockhounding

Nearest road
Hazelwood Road
Postcode
24378
Get directionsView on Google Maps

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

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.

Access note: Creek gravels and road cuts around Troutdale, Grayson County, much of it near the Mount Rogers area of the Jefferson National Forest. Surface collect loose float only, and confirm you are on national-forest or public ground rather than posted private land.

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.

Best time to visit Troutdale

Comfortable months (45 to 90°F highs)

Best months: February to December. Typical highs run 81°F in midsummer and 44°F in midwinter, with winter lows near 24°F.

Climate normals: NOAA 1991-2020 monthlies, ELK CREEK 4SSW station (12 mi away), adjusted for elevation.

Geology at Troutdale

This spot sits on Elk Park Plutonic Group - Biotite augen gneiss, mapped as gneiss that formed roughly 1600 to 1000 million years ago. Metamorphic rock like this weathers into resistant float, and minerals that survive transport typically concentrate in nearby drainages.

Mapped unit
Elk Park Plutonic Group - Biotite augen gneiss
Age
1600–1000 Ma (Mesoproterozoic)
Rock types
gneiss
Elevation
2,760 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.

Today's weather

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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.

Found at Troutdale

Each name 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 Troutdale.

Across the state line from Troutdale

Troutdale is close enough to the Virginia border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Troutdale FAQ

Where is Troutdale?+
Troutdale is in Grayson County, Virginia, at 36.67501, -81.40352. Nearest road: Hazelwood Road.
What rocks and minerals can you find at Troutdale?+
Troutdale is reported to produce Epidote, Red Jasper, Unakite.
Is collecting allowed at Troutdale?+
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 Troutdale?+
Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.
When is the best time to visit Troutdale?+
The most comfortable months at Troutdale are February to December.
How do I get to Troutdale?+
Open the directions link to navigate to 36.67501, -81.40352 in Google Maps. The nearest road is Hazelwood Road.

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