Lough Caragh

Overview

Lough Caragh (Irish: Loch Carach) lies in the Reeks District of County Kerry, a glacial lake formed by the damming of the Caragh River. The lake stretches about 5 km in length, covers 4.9 km² and reaches depths of up to 40 m. Flanked by the MacGillycuddy’s Reeks and the Atlantic‑facing Dingle Bay, its mirror‑like surface reflects rugged peaks, islands such as Robert’s Island and Illaunbuddoga, and the ever‑changing sky. The lake sits within the Killarney National Park, MacGillycuddy’s Reeks and Caragh River Catchment Special Area of Conservation, protecting its diverse flora and fauna, including the rare Kerry slug first recorded here in 1842.

History & Ecology

The lake’s glacial origins are evident in its U‑shaped valley and the surrounding moraines. Historically the area was served by the Caragh Lake railway station on the Great Southern and Western Railway line, linking Farranfore to Valentia Harbour. Today the former railway line is a walking corridor that hints at the region’s transport heritage.

Ecologically, Lough Caragh is a candidate Special Area of Conservation (SAC). The designation covers a mosaic of habitats – blanket bog, alluvial woodland, alpine heath and an oligotrophic lake – supporting a suite of protected species listed under the EU Habitats Directive:

• Flora: Killarney fern, slender naiad, marsh fritillary butterfly host plants.
• Molluscs: Freshwater pearl mussel.
• Invertebrates: Kerry slug (first recorded 1842).
• Fish: Atlantic salmon, sea trout, brown trout, Arctic char, perch, and occasional eels.
• Birds: Heron, water rail and the re‑introduced white‑tailed eagle.
• Mammals: Red deer, sika deer, otter, lesser horseshoe bat.

The lake is classified as typology class 4 under the EPA Water Framework Directive – a deep, low‑alkalinity lake (>50 ha, mean depth > 4 m). This status underpins ongoing monitoring of water quality and biodiversity.

Wildlife & Conservation

Early‑morning walks often reveal the elusive Kerry slug on damp leaf litter, while the surrounding woods host red deer, foxes and badgers. Otters are regularly seen hunting along the shoreline. In winter, the re‑introduced white‑tailed eagle may be spotted soaring over the lake, and birdwatchers can also look for water rail and heron. The lake’s clear waters support a healthy population of salmon and Arctic char, making it a focal point for conservation research carried out by Inland Fisheries Ireland.

Fish Stock Survey

The most recent Inland Fisheries Ireland survey (August 2017) recorded four main species – brown trout (dominant), perch, Arctic char and salmon – with smaller numbers of sea trout and eels. The lake’s surface area is 490 ha, mean depth 11 m and maximum depth 40 m. Average salmon weight early in the season is 6.3 kg; the record catch is 12.7 kg. Historical surveys (2008, 2011, 2014) show a consistent species composition, though salmon were absent in the 2008 sample and Arctic char numbers fluctuated between surveys. These data underpin the lake’s SAC status and guide fisheries management.

What to See & Do

Hiking

Komoot lists 21 easy routes around the lake, many of which are suitable for families and casual walkers. Popular loops include:

A favourite spot is the “white” trail’s viewing platform, which offers sweeping views over the lake, the Dingle Peninsula and the Reeks. The spur path described by local walkers leads to a secondary viewpoint where the lake mirrors the sky and the distant Rossbeigh Strand can be glimpsed on clear days.

Walking the Kerry Way

The Kerry Way long‑distance trail passes the southern shore of Lough Caragh on the Glencar‑to‑Glenbeigh stage (≈20 km, 6‑8 hrs). Walkers can follow the minor road that hugs the shoreline, cross the River Caragh at Blackstone Bridge and continue through mixed forest before climbing onto the lower slopes of Seefin. A popular shortcut climbs through Windy Gap, re‑joining the main route near the lake’s western edge. September brings abundant blackberries along the forest track, a seasonal treat for hikers.

Viewing Points & Photography

The forest track at the south‑eastern end of the lough leads to a car park with a panoramic outlook. Photographers favour the early‑morning light when the lake’s surface is glass‑smooth, reflecting the peaks of Carrauntoohil and the distant Atlantic. The viewpoint is also a good spot for spotting eagles and for capturing the colourful autumn foliage that lines the woodland paths.

Fishing

Lough Caragh is renowned for its spring salmon and grilse runs, as well as sea trout, brown trout and the occasional Arctic char. The Inland Fisheries Ireland 2017 survey recorded four main species – brown trout (most abundant), perch, Arctic char and salmon – with a handful of eels and sea trout also present.

• Salmon: Season 17 Jan – 30 Sep. Average weight 6.3 kg; record catch 12.7 kg.
• Sea trout: Season 17 Jan – 12 Oct. Typical 2‑4 lb.
• Brown trout: Year‑round, 0.2‑0.4 kg.
• Arctic char: Rare, small numbers recorded in 2017.

Licences are issued by Inland Fisheries Ireland and can be bought online, at local tackle shops or via the “Upper Caragh Fishery” service (see Practical Information). Boat hire is available from local operators such as Caragh Lake Boat Hire; anglers may fish from the shore, a boat, or the Upper and Lower Caragh Rivers (the Upper River is a private fishery requiring a separate licence).

Water Sports

The lake’s calm waters are ideal for kayaking, canoeing, windsurfing and sailing. The outdoor education centre Cappanalea OEC (Oulagh West, Caragh Lake) offers guided sessions for all ages, from beginner paddling to advanced sailing. Rental options are listed on their website.

Cycling & Bike Hire

Road cyclists can enjoy the 30 km Caragh Lake Loop, which circles the lake and passes through forest tracks and lakeside roads. The route forms part of the 85 km BikeFest trail (Killarney → Caragh Lake → Glencar → Beaufort). Local bike‑hire shops in Glenbeigh and Killorglin provide mountain‑bikes and touring bikes. The loop offers a mix of gentle climbs and flat sections, suitable for families and experienced riders alike.

Wildlife Watching

Birdwatchers may spot herons, water rails and, in winter, the occasional white‑tailed eagle. The surrounding woods host red deer, foxes, badgers and otters. Early morning walks often reveal the elusive Kerry slug on damp leaf litter.

Seasonal Highlights

• Spring (March‑May): Salmon begin their runs; wildflowers carpet the forest floor; ideal for photography of reflected peaks.
• Summer (June‑August): Long daylight hours for cycling and kayaking; sea‑trout arrive in July.
• Autumn (September‑October): Blackberries ripen along the Kerry Way; foliage turns gold and crimson, providing spectacular colour for walkers.
• Winter (November‑February): Quiet atmosphere, possible snow‑dusting on the Reeks; white‑tailed eagles are most easily observed.

Practical Information

• Location: 13 km south‑west of Killorglin, County Kerry. The lake is reachable via the N70 (Ring of Kerry) – turn left for Caragh Lake after the Red Fox Inn and follow sign‑posted minor roads to the main car park.
• Parking: A free car park at the lake’s northern edge provides space for cars and a picnic area. A second car park near the forest entrance serves hikers accessing the Lickeen Forest loops.
• Bike hire: Available locally in Glenbeigh and Killorglin; ask for the “Caragh Lake Loop” map.
• Boat hire & fishing licences: Local operators such as “Caragh Lake Boat Hire” and ghillies listed on the Upper Caragh Fishery page can arrange boats and licences. Licences are also sold by Inland Fisheries Ireland (online or at local tackle shops).
• Website: (official site currently unavailable – to be confirmed).
• Phone: 00353 669 769 244 (Cappanalea OEC).
• Accessibility: Main car park and picnic area are level; some trailheads have uneven natural surfaces. Dogs are welcome on leashes within the SAC.
• Best time to visit: Spring for blooming wildflowers, autumn for colour, summer for longer daylight, winter for tranquil, snow‑dusted scenery and raptor watching.

Nearby Attractions & Accommodation

The lake sits 13 km south‑west of Killorglin and 5 km north‑east of Glenbeigh. Luxury stays include Carrig Country House and Ard na Sidhe Country House, both offering lakeside rooms, fine dining and easy access to the trails. Ard na Sidhe, set directly on the lake’s shore, provides a garden setting and fairy‑tale grounds that are popular with families. For self‑catering, Seabreak cottage lies just 3 km from the lake, providing a garden setting for families. The Cappanalea Outdoor Activity Centre also runs team‑building and educational programmes.

A short drive north brings you to the coastal village of Beaufort (Beaufort), a gateway to the Reeks and the Ring of Kerry. Further along the coast, Rossbeigh Strand offers a long sandy beach and spectacular sea views, often visible from the lake’s western viewpoint.