For those who venture out beyond Starbucks, you will be quite familiar with riding in this area where this massive slide has happened.
If you can envision the hillside surrounding Oso / Arlington collapsing down on the residents, that's pretty much what you've got by the sounds of it.
Anyone who rides for pleasure in Wa has been around that area a pile of times... it will be sad to see the results the next time through.
Oso is the town the the tiny little "loop road"... it's on the backside of Lake Cavanaugh... on Arlington Darrington highway.
The highway itself is completely buried and non existant at this point.