Overview
In May 1941 a Catalina flying boat lifted off the water here, flew out over the Atlantic and relocated the German battleship Bismarck after the Royal Navy had lost her, helping seal her fate two days later. That is the story that makes Castle Archdale more than a pretty forest park. This was the RAF’s main flying-boat base in the Second World War, on the eastern shore of Lower Lough Erne, and the bones of it are still scattered through the woods. Today the site, run by the Northern Ireland Environment Agency, layers four centuries of history over woodland paths, a wildflower meadow and a busy marina.
If you come for one thing, make it the wartime heritage: walk the heritage trail past the docks, bomb store and petrol store, then visit the free ‘Castle Archdale at War’ exhibition in the courtyard. One important caveat before you build a day around it: outside July and August the visitor centre and museum open only on Sundays and public holidays, and plenty of visitors have arrived midweek to find the door shut. The park, trails and marina are open year-round regardless.
The wartime base
From February 1941 until it closed in 1958, RAF Castle Archdale (for a time called RAF Lough Erne) was home to Consolidated Catalinas and Short Sunderlands of Coastal Command, hunting U-boats across the North Atlantic to protect the Allied convoys. Its great advantage was geography, helped by a secret arrangement with the neutral Irish state: the ‘Donegal Corridor’, a narrow strip of airspace over Ballyshannon that let aircraft slip from Lough Erne straight out to the ocean, cutting hundreds of miles off each patrol. The ‘Castle Archdale at War’ exhibition tells the story through aircraft parts, fuel tanks and wartime documents.
History
The Archdale family arrived in Fermanagh during the Plantation of Ulster, and John Archdale, a planter from Suffolk, built a castle here in 1615, a T-plan house defended by a bawn with 15-foot walls. It did not have a peaceful life: it was wrecked in the 1641 rebellion, rebuilt, and burnt out again in 1689 during the Williamite war. A later Georgian mansion went up about a mile to the south-west in 1773, fell into disrepair after the war and was demolished in 1970. The cobbled courtyard and white outbuildings that survive now hold the visitor centre, tearooms and museum. The 1615 castle ruins stand a short walk from the main car park.
Exploring the park
Walking trails
Two waymarked forest trails start near the car park. The Woodland & Riverside Walk is a 1 km red-waymarked circuit, easy going on forest track, following a woodland river down to the lough. Tom’s Island Walk is longer at 2.5 km. Both are mostly level forest track, neither is wheelchair accessible, and the lakeside promenade closer to the courtyard is the smoothest option for anyone with limited mobility.
Marina & watersports
The marina is the park’s activity hub, with hire run by Castle Archdale Boat Hire & Watersports next to the marina car park:
- Day boats – Orkney 17ft and 19ft motorboats for exploring the lough at your own pace.
- Katakanu – a stable open canoe taking up to six people (maximum four adults).
- Kayaks, paddleboards and hydrobikes – for the sheltered bays close to shore.
- Pedal buggies – land-based, for the lakeside paths.
Most activities have a minimum age of eight and need an adult along; book ahead on summer weekends.
White Island
A ferry from the marina crosses to White Island, best known for the row of carved early-Christian stone figures set into a ruined church wall, with walking paths and bird-watching hides around it. The lough draws whooper swans, goldeneye and great crested grebes, with spring and autumn migration the best times to look. The ferry runs to a fixed timetable, so check it before heading to the jetty.
Camping, cycling & fishing
The adjoining Castle Archdale Caravan Park (established 1966, run by the Mahon family) has touring pitches, camping, and glamping and luxury pods, with free electric hook-up on every bookable pitch and free Wi-Fi in the central buildings. It opens from the St Patrick’s Day weekend through to the Halloween weekend, with a winter motorhome service point available November to February.
A marked 12 km cycle route circles this stretch of Lower Lough Erne and links into the wider Lough Erne Waterways Trail; bike hire is available on site. Anglers fishing the shore need a valid Northern Ireland angling licence.
Practical information
Admission – The park, trails and museum are free. Watersports, boat hire and caravan pitches are paid.
Getting there – The park is on the B82 Enniskillen–Kesh road, about a mile on the Enniskillen side of Lisnarick and roughly 10 miles (16 km) north of Enniskillen. There is free parking near the visitor centre. Public transport is limited, so most arrive by car or local taxi.
Accessibility – The courtyard toilets are wheelchair-accessible and guide dogs are welcome throughout. The courtyard and marina paths are the most manageable; the forest trails have uneven ground and roots.
Contact – For group visits or commercial filming, email nieainfo@daera-ni.gov.uk. Watersports and caravan bookings are handled directly through the marina and holiday-park offices.
Nearby
- Devenish Island – a short boat trip away, with one of Ireland’s finest round towers and an early monastic site founded by St Molaise.
- Boa Island – reached by road to the north, known for its enigmatic two-faced Janus stone figures in Caldragh cemetery.
- Enniskillen Castle – the county town’s waterside fortress, home to the Fermanagh County Museum and the regimental Inniskillings Museum.
Before you set out, check two timetables: the visitor centre’s opening days (Sundays and bank holidays only, most of the year) and the White Island ferry. Get both right and Castle Archdale is one of the best half-days in Fermanagh.