Dalles Mountainsnail

Photo is needed for this Strategy feature.
Submit photo to: Conservation.Strategy@ODFW.state.gov


  • Species Common Name Dalles Mountainsnail
  • Species Scientific Name Oreohelix variabilis variabilis


Special needs

Dalles mountainsnails prefer talus or basalt habitat with minimal vegetation cover.

Limiting factors

Dalles mountainsnails are endemic to the Lower Deschutes and/or Columbia Gorge. They are limited in their distribution and threatened by habitat loss due to development and road construction. Roadside spraying can also be harmful to mountainsnails.

Conservation actions

Maintain appropriate habitat. Minimize impacts from talus mining to Dalles mountainsnail.