Cooper taking a long sniff before diving in - #tbt #pnw ruffwear . . . #dogsofinstagram #aussiesofinstagram #dogs #aussieshepherd #australianshepherd #hiking #hikingwithdogs #traildog #mountaindog #pacificnorthwest #pnwonderland #pnwlife #adventure #getoutside #norcal #redwoods hikingdogsofinsta hikingwithdogs_ campingwithdogs aussiesdoingthings