Loch Monzievaird This water on the delightful Ochertyre estate is one of those which marks the early stirrings towards trout fishery development on lines now so common in many parts of England. Though always reckoned a good brown trout water, this 42-acre loch has now got an added rainbow stock and contains American brook trout. Trees are a special feature here and the shelter they offer can often helptheanglerachievebetter results than might otherwise have been possible.