evidence: There are multiple fast-running streams throughout the slopes and gullies have resulted in places sometimes becoming deep and branching. The Glenelly Valley cuts through the AONB from east to west from Mullaghaneany to Plumbridge. The river has cut deep into the softer deposits and meanders between steep ridges which combine with to give the area a hidden quality which is at odds with the expansive nature of the uplands area surrounding on either side. Glenelly is recognised as a scenic route of particular quality. To the south beyond the broad rounded ridge of Craignamaddy the Owenkillew River has formed another upland valley to the north of Crocknamoghil which in comparison is much more open. There are many areas of ancient woodland, though most of these are very small in extent. [...] Numerous woodland Areas of Special Scientific Interest (ASSI) include Drumlea and Mullan Woods, an important semi-natural broad-leaved woodland, Crockaghole Wood, Owenkillew and Glenelly Woods and Grange Wood. There are many other smaller areas of ancient woodland which are not designated, often along tributary streams. [...] The Sperrin range incorporates the wildest and most remote of Northern Ireland’s landscapes. Glenelly Valley is seen as one of the most idyllic settings in Northern Ireland and is famed as a scenic drive.