Located 60 miles east of Prineville, Congleton Hollow is a prime destination for rockhounds in search of petrified wood. Recognized by the Bureau of Land Management (BLM) as a designated recreational rock and mineral site, it is also highlighted on the Central Oregon Rockhounding Map, available for purchase.
Spanning an impressive 640 acres, Congleton Hollow offers rockhounding enthusiasts the chance to uncover opalized petrified wood and limb casts in stunning shades of blue, pink, and green.
Despite Congleton Hollow's long-standing popularity, it still provides ample opportunities to discover materials right on the surface. For the best finds, be sure to explore the hills and creek beds, which typically dry out in the summer months.
Congleton Hollow Rockhounding
At Congleton Hollow, you can find opalized petrified wood and limb casts in blue, pink, and green shades.
The most prized finds are large tree trunks completely replaced by agate, jasper, or quartz. These rare specimens often feature quartz crystal cavities, dendritic inclusions, and intricate banding patterns, making them highly sought after by collectors.
To find the best pieces at Congleton Hollow, explore the hills and creek beds. These areas are typically dry during the summer months, but during the wet season, they become less accessible, limiting your ability to uncover hidden treasures.
The GPS coordinates below mark the central point of the location and the primary collection site. From this spot, follow the 0.7-mile road and explore along the way, including any branch roads. For larger pieces of petrified wood, hike farther from the road and dig in more remote areas.
The rockhounding site is bordered by BLM lands to the east and north, while private property defines the southern boundary. Nearby Dendrite Butte is also a fantastic spot for rockhounds, particularly those in search of limb casts.
Know Before You Go
The roads leading to Congleton Hollow are rugged and uneven, and they can become muddy during wet weather, making 4WD vehicles highly preferable for the trip.
Additionally, the high desert environment can be harsh, so be sure to prepare thoroughly before venturing out.
Beyond the Rocks: Exploring the Area
Congleton Hollow is mostly a rockhounding site with limited adventures. However, the area can be great for hiking, picnicking, and primitive camping.
Additionally, Bend, Redmond, and Prineville are nearby and can serve as a perfect pit stop to recharge, enjoy the culture, and explore.
Congleton Hollow | Facts
Material: Limb casts, petrified and opalized wood
Tools: Shovel, geology pick
Land type: High desert
Best time to visit: May through October
Land manager: Bureau of Land Management (BLM)
Fees: None
Location: 60 miles southeast of Prineville • Oregon • USA
Road access: A high-clearance 4WD vehicle is recommended
Elevation: 4,000 ft (1,219 m)
Places to Stay Near Congleton Hollow
Primitive camping is permitted on BLM land.
You can book a stay in Prineville, 60 miles east, or Bend, 85 miles east if you want more comfortable accommodation.
Affordable short and long-term vacation rentals at Prineville
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Congleton Hollow Directions & Contacts
From Prineville,
- Head southeast on Highway 380 Post/Paulina to Congleton Hollow Road
- Turn right just after milepost 51 onto Congleton Hollow Road and drive 3.9 miles where it splits
- Go to the left and continue 0.4 miles to one of the collecting sites.
Note: The first 1.1 miles of Congleton Hollow Road crosses private land. Respect the private property and stay on the road until public land is reached.