The Mulkear Anglers Association rises in Silvermines mountains and the Slievefelim. The catchment topography reflects underlying solid geology. This soil reaches higher altitudes is draining poor soil. The other major soil types lying in the Mulkear lowland. Ryan and Finch classified soils indicate in the Co. Limerick area of the Mulkear River catchment that the majority of soils. Heavier rainfall is encountered in higher ground, move quickly into the Mulkear's the main tributary Newport River into the Mulkear's the main tributary Newport River.
The best Grilse fishing is until the end of July from mid June. Fish enter the system, the system in the lower stretches and March in the lower stretches and March.