The Newberry Volcanic Area is a large active shield-shaped stratovolcano located 35 miles east of the major crest of the Cascade Range.

When taking into account it′s lava flows, the total area of coverage is 1,200 square miles, having roughly the same area as the state of Rhode Island and is considered the largest volcano in the Cascade Volcanic Arc. From north to south, the volcano streches 75 miles, with a width of 27 miles and a total volume of approximately 120 cubic miles.

Due to the volcanic area covering such a large area, several separate park sites have been created including Pilot Butte Cinder Cone, Lava Butte Cinder Cone and the Newberry Caldera containing both East Lake and Paulina Lake.

Named for the geologist and surgeon John Strong Newberry, who explored central Oregon for the Pacific Railroad Surveys in 1855.

It is believed that an independent hotspot developed from the subduction of the Juan de Fuca and Gorda oceanic tectonic plates under the North American continental tectonic plate.

Eruptive activity began about 600,000 years ago and continued into the Holocene with the last eruption 1,300 years ago. Unlike many volcanos with a shield shape, which only erupt basaltic lavas, Newberry has erupted basaltic, andesitic and rhyolitic lavas.

Though Newberry Volcano is currently quiet, the United States Geological Survey considers it to be an active volcano with a very high threat level. Hot springs within the caldera remain active, and small earthquakes have occurred within recent local history.

Future eruptions would likely show similar characteristics to eruptions from the past 15,000 years, ranging from effusive production of lava flows to explosive eruptions ejecting pumice and ash.

Located in the Basin and Range Region, in the Lava Plains Ecoregion.

The surrounding area has been inhabited by Native American populations for thousands of years.

The caldera was used to harvest obsidian, which they used to sharpen arrowheads and tools as well as to trade throughout the Pacific Coast region.

Paulina Lake Campground (43.710656, -121.273004)

Little Crater Campground (43.713691, -121.242824)

Cinder Hill Campground (43.729417, -121.195003)

East Lake Campground (43.723097, -121.192976)

Chief Paulina Trailhead Campground (43.703613, -121.255120)

Paulina Falls (43.712108, -121.282527)

Paulina Lake Hot Springs (43.732088, -121.252336)

Paulina Peak Observation site (43.689309, -121.254705)

The Pilot Butte is an extinct cinder cone volcano which rises nearly 500 feet above the surrounding plains in the Newberry Volcanic Area.

Pilot Butte is located within the city of Bend, Oregon, which is one of only four cities in the United States to have a volcano within its boundaries.

Portland is the only other city in Oregon with a volcano within its city limits and is called Mount Tabor. The two others are Jackson Volcano in Jackson, Mississippi, and Diamond Head in Honolulu.

Elevation: 4142 feet

Coordinates: 44.060591, -121.283262

Prominence: 480 feet

Age of Rock: 780,000 years

Volcano Type: Extinct Cinder Cone

Last Eruption: 188,000 years ago

Pilot Butte state scenic viewpoint is a Bend icon and a popular hiking destination with two trails to the summit. There is also a scenic road that winds up and around the cone to the summit.

From the top, the city of Bend is visible as well as several major Cascade peaks. Most prominent are the Three Sisters, Broken Top, and Mount Bachelor which are located about 20 miles to the west.

Pilot Butte was named in 1851 by Thomas Clark, leader of the first party of European settlers to camp on the future site of Bend.

The Newberry volcano has a caldera about four by five miles in diameter and contains two lakes, Paulina Lake and East Lake, pyroclastic cones, lava flows, lava domes and more than 400 vents, the most of any volcano in the contiguous states.

Highest Summit: Paulina Peak

Elevation: 7989 feet

Coordinates: 43.689195, -121.25489

Prominence: 3214 feet

Age of Rock: 600,000 years

Volcano Type: Combination of Shield and Composite

Last Eruption: 1300 years ago

Volcanic Arc: Cascade Volcanic Arc

Easiest Route to Summit: NF-500 road

As Part of Newberry Volcano, Lava Butte is a cinder cone in central Oregon, United States, just off of US Highway 97. It is part of a system of small cinder cones on the northwest flank of Newberry Volcano, a massive shield volcano which rises to the southeast.

The cinder cone is capped by a crater which extends about 60 feet (20 m) deep beneath its south rim, and 160 feet (50 m) deep from the 5,020-foot (1,530 m) summit on its north side.

Elevation: 5023 feet

Coordinates: 43.917857, -121.356033

Prominence: 509 feet

Age of Rock: 7000 years

Volcano Type: Cinder Cone

Last Eruption: 7000 years ago