The extract below is from the Carlow page however as the Barrow is the border between Carlow and Kilkenny for much of it's length a lot of what is included here will be eqaully useful if you are in or visiting Kilkenny.
The river Barrow offers something for all fresh water fishermen. They get runs of salmon and sea trout (salmon are catch and release only). The salmon and trout season runs from March 17th to 30th September with the best of the salmon arriving later in the season.
The Barrow also has healthy runs of twaite shad. In fact the shad fishing is so good they hold an annual international competition in May in St Mullins. Best fished for with a spinner of fly. Google Map St Mullins 52.487591, -6.930332
There are 2 solid platforms with safety rails for fishing very near St Mullins next to Millichain Cafe with vehicle access right to the waters edge. See the Google screen shot of the platforms below.
Brown trout fishing can be good on the river and on its tributaries, the Greese and Lerr, with fish up to 2lbs. Hot spots are behind the Dolman Hotel in Carlow, between Gorebridge and Graiguenamanagh and at Milford. The Weir Pool below St Mullins Weir has lots of fish in the half pound range. Google Map, Weir Pool. 52.502420, -6.939547
Pike fishing is especially good between Athy and St Mullins with 20lb+ fish caught rgeularly.
Course fishing for bream and hybrids as well as rudd, tench, roach and perch is good at Bahana Woods above St Mullins, Ballytiglea Bridge Google Map 52.601056, -6.953213and Graiguenamanagh Google Map 52.539646, -6.954565
There are 5 custom built fishing stands for wheelchair users with adjacent parking in Bagnelstown down stream of Rathelin Lock. Good tarmac paths.The location was selected as it offers the full range of Barrow fish. The river is navigable here, 40 metres wide, 3 to 4m deep with a slow flow. Boat traffic is low. Google Map Bagnelstown 52.703959, -6.957044
Course fishing is free and permits for salmon and trout can be had from local tackle shops (you need a licence as well for salmon and sea trout fishing).
Fishing on the river Nore, part of the Three Sisters river sytem, is largely controlled by the Kilkeny Angling Assciation.
The river hold stocks of salmon and brown trout. Best time for salmon is March to September. All migratory fish are are catch and release at this time.
Day tickets available from the Club House Hotel in Patrick Street, Kilkenny.
Google Map Club House Hotel 52.649366, -7.251621
Mount Juliet Estate
Mount Juliet Estate has fishing in the middle/lower reaches on the river Nore and a bit more in the estate grounds. The season is from March 17th to 30th of September.
They have 2.5m on the Nore with 10 named pools for salmon. Once a top river the fishing is recovering but it is catch and release only at present. They are also recording some sea trout to about 1 lb so things are on the up and up.
The river also has some excellent brown trout fishing for free rising wild fish.
Adding to the mix they have stocked lakes on the estate offering fishing for rainbows and coarse lakes with carp, roach and rudd. Catering for all tastes.
Call +353 56 777 3000
Google Map 52.525100, -7.189310
The Suir forms the border with County Waterford from Carrick on Suir down to Waterford where the river joins the the Barrow estuary. This is slow deep and tidal for most of it's length. The salmon fishing is however said to be best up towards Carrick on Suir which is in Waterford. No information on permits
Thomastown AA have a stretch on the river Nore for salmon and brown trout. No information on day tickets or contact number. If you are in the area try the local tackle shops, they will know.
Ardaire Springs Trout Fishery
Ardaire Springs is a 2.5 acres fishery near Mooncoin. Stocked with rainbows and brown trout from 2 to 20lbs.
Terms are 1 fish to 1kilo can be taken all other fish over 1 kilo to be returned.
There fishery has set aside a 100m stretch of bank for anglers with disabilities when fly and bait fishing is allowed.
There is a tackle shop on site witha snack bar and a BBQ you even get a free cuppa.
Call 086 8128937
Google Map 52.309391, -7.232382
Located near Dromgoole the fishery consists of 2 man made likes stocked with rainbow trout of 1 lb to 14lbs. The upper lake is fly only while the lower lake allows bait fishing.
Contact Castlecomer Discovery Park on l +353 (0) 56 4440707.
Google Map Reference 52.807173, -7.202196
The above information is still on the internet however looking at their web site it doesn't mention fishing. Best call in advance.
The river Barrow forms much of the border with county Carlow and county Wexford. The Barrow is a well known mixed fishery with salmon, brown trout, coarse fish and some very good pike fishing. As a rule off thumb the Barrow has many stretches of slow water and some stretches of good flowing water. The coarse fish will be in the slower water while the salmonids will be in the faster water.
For the purpose of not repeting things I would refer you to the pages for Carlow and Wexford for details of the fishing
Mount Juliet Estate
I addition to the fishing for salmon and sea trout on the Nore they have stocked lakes on the estate offering fishing for rainbows and coarse lakes with carp, roach and rudd. Catering for all tastes. Call +353 56 777 3000
Google Map 52.525100, -7.189310