Snake was dead. Maybe hurt by a lawn mower
Northwestern garter snake (Thamnophis ordinoides), Santiam Flats Campground, Marion County, Oregon - 2 May 2015. HERP database link: www.naherp.com/viewrecord.php?r_id=224627
At first fork on Mitchell Hill trail from parking area.
Most likely northwestern garter snake. Anterior chin shields shorter than posterior.
17 dorsal scales at mid-body.
15 upper labial scales; 17 lower labial scales
Lateral stripe on 2nd and 3rd scales.
This snake was observed on the road in the morning six miles northeast of Scotts Mills, Oregon.
The northwestern garter snake, Thamnophis ordinoides, is a species of colubrid snake endemic to North America.