Deschutes & Ochoco National Forests
Crooked River National Grassland

Oregon Volcanoes

Mt. Bailey Volcano

SUMMARY

Type: shield volcano
Activity: extinct
Last Eruption: less than 100,000 years ago
Rock Type: basaltic andesite
Eruptive Volume: 8 cu km
Latitude: 43.15 N
Longitude: 122.22 W
Location Maps: from TIGER Mapping Service

• State Level - shows state and communities
• County Level - shows county lines, highways, and communities
• Local Level - shows above plus lakes and local roads

Topo Map from TopoZone

GEOLOGIC BACKGROUND:

Mt. Bailey is located to the west of Diamond Lake and is about the same age as Diamond Peak to the north on the Cascade crest. It is small shield volcano with a central tephra cone. Mt. Bailey is part of 6 mile long volcanic chain that includes Rodley Butte and other cinder cones to the north.

HISTORIC ACTIVITY:

• None

DATA SOURCE:

• USGS

ADDITIONAL INFORMATION

• Link to U.S.G.S. - CVO's Mt. Bailey Info
• Link to U.S.G.S. Visit a Volcano Info for Mt. Bailey