Rouse Hill: Amazonite & Idocrase Rockhounding in Riverside County, California

Updated June 2026

Rouse Hill is a mapped rockhounding spot in Riverside County, California. Reported finds include amazonite, idocrase, rose quartz, tourmaline. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Riverside County
State: California
Nearest road: Rouse Hill Road
Coordinates: 33.67259, -116.77238

Geology at Rouse Hill

This spot sits on granitic rocks, unit 2 (Peninsular Ranges), mapped as tonalite that formed roughly 175 to 66 million years ago. Granitic ground like this typically carries quartz veins and pockets, and weathered crystals tend to collect in the soils and drainages below.

Mapped unit: granitic rocks, unit 2 (Peninsular Ranges)
Age: 175–66 Ma (Middle Jurassic to Late Cretaceous)
Rock types: tonalite
Elevation: 5,160 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 Rouse Hill

Conditions here are workable year-round, with typical highs from 56°F in winter to 86°F in summer.

Climate normals: NOAA 1991-2020 monthlies, IDYLLWILD FIRE DEPT station (7 mi away), adjusted for elevation.

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

BLM California — Recreational mineral collecting
California Geological Survey
CDFW — Suction Dredge Mining Permit Program
Community submissions reviewed against published agency rules

Found at Rouse Hill

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 Rouse Hill.

Rouse Hill FAQ

Where is Rouse Hill?+

Rouse Hill is in Riverside County, California, at 33.67259, -116.77238. Nearest road: Rouse Hill Road.

What rocks and minerals can you find at Rouse Hill?+

Rouse Hill is reported to produce Amazonite, Idocrase, Rose Quartz, Tourmaline.

Is collecting allowed at Rouse Hill?+

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 Rouse Hill?+

A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.

When is the best time to visit Rouse Hill?+

Rouse Hill is workable year-round.

How do I get to Rouse Hill?+

Open the directions link to navigate to 33.67259, -116.77238 in Google Maps. The nearest road is Rouse Hill Road.

More rockhounding in California

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Open Rouse Hill on the map

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