The river has a drainage basin with an area of 34 square miles.
The fishing in the Kerry Blackwater is managed by IFI Macroom and the river receives a run of around 1,500 salmon and grilse each year. It also receives a good run pf sea trout which pass through the river on their way to Logh Brin and its headwaters. Access for anglers to the river is said to be "excellent". Two boats are available for angling use on Lough Brin.
Natural history and conservation
A Special Area of Conservation, protects most of the basin of the Blackwater River. This is one of the areas in which the rare Kerry slug is known to occur. Other rare species which are protected by the SAC include the otter, freshwater pearl mussel, lesser horseshoe bat and Atlantic salmon. The area is of international importance for the lesser horseshoe bat, with one roost site having 150 bats counted there in 1996. The site is also recognised as being of cpnservation importance for birds, notably the peregrine falcon, merlin, red-billed chough and hen harrier. It is also home to populations of Hesperocodon hederaceus which is scarce in Ireland.
- Location map: 51°51’21"N, 9°44’36"W
- Fishing in Ireland: The Kerry Blackwater
- Kerry Blackwater Fishery: Discover Ireland
- "Kerry Blackwater". Inland Fisheries Ireland. https://fishinginireland.info/trout/southwest/blackwater/. Retrieved 27 March 2020.
- "Welcome to Blackwater". Go Kerry. http://www.gokerry.ie/locations/blackwater/. Retrieved 27 March 2020.
- "SITE SYNOPSIS Site Name: Blackwater River (Kerry) SAC Site Code: 002173". Department of Arts, Heritage and the Gaeltacht. https://www.npws.ie/sites/default/files/protected-sites/synopsis/SY002173.pdf. Retrieved 27 March 2020.
- 'A special place that is heaven for anglers': Kevin O'Sullivan in The Irish Times