Obsidian Flow Trail

This one-mile interpretive trail climbs up and onto an impressive lava flow of obsidian (black glass) and pumice. This trail is located within the Newberry National Volcanic Monument.

At a Glance

Fees:	$5/vehicle/day – On site payment not available
Restrictions:	Collecting Obsidian or other material from any site on Newberry National Volcanic Monument is PROHIBITED. Penalty: up to $5oo fine or up to six months in proson or both. Horses & mountain bikes prohibited.
Passes:	Recreation Passes may be used as a form of fee payment

Activities

Day Hiking

Interpretive Areas

There are seven interpretive signs along the trail. To access this area, take the left fork of the loop trail that is about 1/3 of the way up the trail. The Big Obsidian Flow is 1,300 years old, which makes it the youngest lava flow in Oregon.