Overview
Lough Eske spreads over 900 acres in a bowl of the Bluestack Mountains, a short drive northeast of Donegal Town. The Irish name, Loch Iascaigh, means ‘lake of the fish’, and the salmon and sea trout are still the main reason people come. The other reason, if you believe the stories, is what lives in it: local lore keeps a lake monster here, a Donegal answer to Loch Ness, and Wikipedia gives the ‘Lough Eske Monster’ its own straight-faced heading.
Four islands break the surface – Pigeon’s, Grania’s and Roshin, and Island O’Donnell, where the O’Donnell chieftains built a castle in the 15th century. Old woodland rings the shore, and between the trails, the fishing season and the castle hotel, most people find a reason to linger.
History & Heritage
The lake’s past is deeply tied to the O’Donnell clan, who built a fortified castle and surrounding bawn on Island O’Donnell along the southern shore in the 15th century. Stone remnants of the bawn still stand today, marking where chieftains once held prisoners and managed estate affairs. Following the 1601 burning of the Franciscan friary in Donegal Town, displaced friars relocated to the lake’s western bank. Their presence gave rise to the local townland known as ‘The Friary’ and inspired the scenic ‘Friar’s Walk’ that traces the water’s edge.
During the Plantation period, the estate passed to Sir Basil Brooke, and later to Thomas Young, who adopted the Brooke name in the early 1800s. Thomas commissioned Christ Church on the southern shore in 1846 and, working with architect Fitzgibbon Louch, transformed the original manor into an Elizabethan-style residence completed in 1868. This building would eventually become the Lough Eske Castle Hotel. The property changed hands again in 1894 when Major-General Henry George White purchased it. A 1939 fire left the house in ruins until local entrepreneur Pat Doherty spearheaded a meticulous restoration, reopening it as a luxury hotel in 2007. Recent upgrades include the 2024 launch of the “Donegal Suites,” featuring bespoke Magee 1866 tweed upholstery, four-poster beds, and roll-top baths.
Walking & Nature
The shore has trails for different appetites. The main circuit, the Lough Eske Loop, is a moderate walk of about 16 km (10 miles) on lanes and forest track with the water in view for much of it – not the gentle 6 km stroll some listings claim, so allow the best part of a day. For something shorter, the 1.5 km Famine Pot Walk near the lake makes an easy family outing. Serious walkers can pick up the Bluestack Way, the 65 km waymarked route from Donegal Town to Ardara, which runs close to the southern shore.
Ardnamona Wood, on the western side, has newly reconstructed paths suited to a casual walk or a guided cycle. Half a mile from the castle grounds stands a tall Celtic cross, raised as the grave marker of Major-General Henry George White; a short path leads out to it across boggy ground. Herons and kingfishers work the shallows, and wintering wildfowl arrive on the water in the colder months.
Fishing
The fishing season runs from 1 March to 30 September, for spring salmon, sea trout and char, with grilse coming through from June to September. There is no permit office on the shore – fishing is arranged through the lakeside hotels, so sort it out before you arrive, especially for summer weekends.
Castle Hotel & Dining
The restored castle hotel occupies the original 19th-century footprint, blending historic stonework with modern amenities. Guests can book guided heritage tours that cover the O’Donnell fortifications, the Brooke family’s architectural legacy, and the mid-century restoration project. The CARA Organic Beauty Spa, built within the shell of the original Victorian glass house, features an infinity pool, seven treatment rooms (including two couples’ suites with jet baths), and a full thermal circuit with sauna, steam room, ice fountain, and tropical showers.
Dining options range from the refined, locally sourced menus at Cedars Restaurant to the relaxed pub atmosphere of the Gallery Bar. Afternoon tea is served daily in the drawing rooms, making it a convenient stop for visitors who aren’t staying overnight. Reservations are recommended during the summer months, particularly for weekend tables.
Practical Information
- Getting there: The nearest air terminal is Donegal Airport, roughly 46 km away. Most visitors drive via the N15 to Donegal Town, then follow clear signposts to the lake. Public bus services run to Donegal Town, with local taxis available for the final leg to the lakeside.
- Parking: There is parking at both the Lough Eske Castle Hotel and Harvey’s Point. It may be free or subject to a charge depending on the day, so don’t bank on parking for nothing.
- Accessibility: The paths around the castle hotel grounds are level, but the lakeshore and woodland trails are uneven and boggy after rain, so they suit sturdy footwear more than wheels.
- Accommodation: Options range from the five-star castle hotel and the four-star Harvey’s Point to boutique stays like The Lodge at Harvey’s Point, The Arches Country House, and Lough View House. Self-catering cottages are also available within a short drive.
- Booking ahead: Arrange fishing through the lakeside hotels well in advance, especially for July and August weekends. Spa treatments, restaurant tables, and guided tours are best reserved through the hotel’s concierge or official website.
- Contacts: Visit Lough Eske Castle Hotel for accommodation, spa bookings, and activity details. Trail information for the Bluestack Way is maintained by Sport Ireland.
Time a fishing trip for the March–September season; for everything else, autumn brings the quietest trails and the best of the wildfowl before the winter rains set in.