Black Mountain Dam, 300m South-east along fire trail from underpass parallel to Caswell Drive. alternatively park at parking lot on Caswell Drive- only accessible when driving southbound. Go over stye and walk north on fire trail (do not go uphill) until you come to the powerlines. The wetland will be on your right. Note the dip in teh path and the drainage line, including concrete structures, leading to it (on your right) Often dries out over summer