Have you checked with the game wardens on Pendleton itself about hunting there? They have very good deer hunting, and I have seen plenty of coyotes there. Just not sure if they allow you to shoot the yotes too.
Also, look out for the buffalo, and don't even think about shooting one. Fun to watch though.
If you cannot find a place on base, get a map of the Cleveland National Forest. Closest access for you would probably be out Route 76 to Palomar mountain. It's probably a 45-60 minute drive until you hit public land there.
Let me know if you have any other qeustions. I know a couple of the base wardens, so I could try to find out about yotes on base.
Deer hunters spend so much time trying to pattern deer that we forget that we also can be "patterned." After all, most of us hunt the same days and the same hours, so it isn't difficult for deer to figure us out.
While we would never recommend giving up hunting the traditional moving times for deer -- early morning and late evening -- it's important to keep in mind that deer will move at other times of the day. Sometimes hunting through lunch, or getting in your stand earlier than usual for an...