Lucky Strike Mine

• A remote fee-digging Lucky Strike Mine is a popular site to collect stunning thundereggs
• Make sure you have the proper direction before you go

Lucky Strike Mine is a remote fee-digging area in the Ochoco Mountain, 26 miles west of Mitchell. This site was discovered and then claimed by a famous miner Leonard Kopinsky in the 1930s, and since remains popular among enthusiastic rockhounds.

The Lucky Strike mine provides a great opportunity to collect beautiful thunder eggs that are well-known for their various colors and styles. The internal cavities are composed of agate containing mosses, plumes, and banding. Some specimens might have hollows with multiple layers of agate including botryoidal agate or quartz crystal.

The digging hillside is located near the mine office and store. The pits are regularly scraped by a backhoe allowing visitors to find great specimens. Bring a rock hammer. If you do not have any tools, you might be able to rent them in the mine store.

Typically, the mine open from Memorial Day to the end of September, depending on weather conditions. You need to make a reservation if you plan to arrive Monday through Thursday.

Make sure you have the proper direction before you go. Do not rely on your smart phone or GPS navigator, it can show wrong routes. Forest roads to this remote part of the Ochoco National Forest are rough, narrow, and winding with sharp turns. So, a high-clearance 4WD vehicle is recommended. Trucks with long trailers should avoid these roads.

Lucky Strike Mine | General Description

Open: From the end of May to the end of September: Mondays through Thursday - Reservation only; Friday through Sunday - 9am-4pm
Managed: Private mine
Location: Ochoco National Forest

Rocks & Minerals: Thunder eggs
Tools: Rock hammer

Services: Rock shop, restroom
Accommodations: No camping available on the site; Primitive camping on public land in the Ochoco National Forest

Distance from the parking: Short
Road access: A high-clearance 4WD vehicle is recommended
Fees: A per-pound fee and a per-group minimum
Popularity: Moderate

Elevation: 5,500 ft (1,676 m)

Lucky Strike Mine is located:

  • 39 miles northeast of Prineville
  • 75 miles northeast of Bend
  • 178 miles southeast of Portland.

From Prineville,

  • Travel east for about 30 miles to Forest Road 27 between mileposts 49 and 50
  • Turn left (northwest) onto FR 27 and go 1.3 miles to the intersection with FR 2730 - the Lucky Strike Mine sign is posted
  • Bear right onto FR 2730 and drive 6.3 miles to the fork - the Lucky Strike Mine sign is posted
  • Stay left and continue on FR 2730 another 3.3 miles to FR 200 - the Lucky Strike Mine sign is posted
  • Keep left and travel 1.4 miles to the mine entrance on the right
  • From the entrance follow 0.3 miles to the parking and mine office.

Phone: 541-362-1915

GPS: N 44°31.076' W 120°29.846' | 44.517935, -120.497434

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