Midway Area (Lavic Jasper): Lavic Jasper Rockhounding in San Bernardino County, California

Updated June 2026

Midway Area (Lavic Jasper) is a mapped rockhounding spot in San Bernardino County, California. Reported finds include lavic jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: San Bernardino County
State: California
Nearest road: Barstow and Mojave Freeway
Coordinates: 35.03247, -116.47143

Geology at Midway Area (Lavic Jasper)

This spot sits on alluvium and marine deposits, mapped as coarse alluvium that formed within roughly the last 5 million years. Gravels like these concentrate whatever survives the river: agate, jasper, and other tough silica typically show up as rounded, waxy stones.

Mapped unit: alluvium and marine deposits
Age: 5 Ma to present (Pliocene to Holocene)
Rock types: coarse alluvium
Elevation: 1,740 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 Midway Area (Lavic Jasper)

Best months: October to May. Typical highs run 106°F in midsummer and 62°F in midwinter, with winter lows near 37°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, BARSTOW-DAGGETT AP station (22 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 Midway Area (Lavic Jasper)

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Lavic Jasper Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Midway Area (Lavic Jasper).

Across the state line from Midway Area (Lavic Jasper)

Midway Area (Lavic Jasper) is close enough to the California border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

JeanClark County, Nevada · 79 mi awayHydrozincite, Antimony, Cobalt

Midway Area (Lavic Jasper) FAQ

Where is Midway Area (Lavic Jasper)?+

Midway Area (Lavic Jasper) is in San Bernardino County, California, at 35.03247, -116.47143. Nearest road: Barstow and Mojave Freeway.

What rocks and minerals can you find at Midway Area (Lavic Jasper)?+

Midway Area (Lavic Jasper) is reported to produce Lavic Jasper.

Is collecting allowed at Midway Area (Lavic Jasper)?+

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 Midway Area (Lavic Jasper)?+

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 Midway Area (Lavic Jasper)?+

The most comfortable months at Midway Area (Lavic Jasper) are October to May. Summer heat here is intense, so carry more water than you think you need and work the early morning.

How do I get to Midway Area (Lavic Jasper)?+

Open the directions link to navigate to 35.03247, -116.47143 in Google Maps. The nearest road is Barstow and Mojave Freeway.

More rockhounding in California

See all 104 California spots →

Open Midway Area (Lavic Jasper) on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.