Flem, Pacific Yew/ Western Yew, Grow in the Coastal rages from Alaska to Northern CA. With the British Canada to and WA, Or coastal MT's being the most prevalent. 3000 ft in that aspect would Be high altitude yew. In speaking to Don Adams and John Stunk. Ted Fry, Gerald Welch, at shoots, shows over the years, the Coastal MT ranges were considered high altitude. It can grow to 5000 - 8000 ft but I never looked that high. It can grow inland in pockets and stands are known in N.E. Wash, Idaho, etc..