Rattlesnake Ridge Landslide Incident Information

Yakima Valley Office of Emergency Management Emergency Notification System: Alert Yakima

Union Gap Irrigation - Testing

The Union Gap Irrigation District will be testing their canal near the side of the landslide between Feb 19th and Feb 22nd.  More information can be found in the Yakima Herald Article on the testing.


DNR Rattlesnake Hills Landslide Flickr site

Land Ownership
Airport 5 mile
Drones and elevation

Washington State Department of Natural Resources 

Landslide Fact Sheet 1/12/2018

Landslide Direction

Rattlesnake Vector Map 1-10

Monitoring Data Points

Rattlesnake Monitoring Map 1-10
Rattlesnake Translational Diagram

Washington State Department of Transportation

Freight Containers
Concrete Barrier in Containers