Hampton Butte is one of the notable locations for rockhounding and collecting petrified wood in Oregon. It is known for its rich deposits of unique green petrified wood.

This 120-acre rockhounding site, located 12 miles northeast of Highway 20 near the unincorporated community of Brothers, is listed on the Central Oregon Rockhounding Map, which is available for purchase.

Hampton Butte Rockhounding

The specimens at Hampton Butte come in a variety of colors, including white, gray, black, and yellow, but the most prized pieces range from turquoise to dark green. These striking colors are likely caused the presence of minerals like chromium or copper during the fossilization process. In the case of Hampton Butte, the green coloration is often attributed to the mineralization of the wood with copper and iron oxidation, which imparts a vibrant green hue.

Both petrified wood and limb casts are found here. The wood is typically more jasperized and opalized, though agatized specimens can occasionally be discovered. Agate and jasper are also commonly found in this area.

This area has been frequented by rockhounds for many years, you can still find tumbler-sized materials on the surface. For larger pieces, digging one to two feet below the surface with a shovel or pick is recommended. The soil is relatively soft, making work easier, but be sure to avoid digging under trees and around their roots.

Not every piece you find will polish well, as there is a significant amount of porous material. However, the thrill of discovery makes Hampton Butte a rewarding destination. The site is surrounded by BLM lands to the north and east, with private property on the west and south—so be mindful of property boundaries.

The area is covered by a beautiful juniper forest, offering a shady, serene setting for both rockhounding and camping. Primitive camping is allowed throughout the public BLM land, making it an excellent spot for an extended stay. Hampton Butte is extremely popular due to its easy access and the quality of materials found here. Please remember to keep the area clean by packing out all your trash.