Overview
Silent Valley Mountain Park is a verdant enclave set within the Mourne Area of Outstanding Natural Beauty in County Down. Ringed by the soaring Mourne peaks, the park surrounds the Silent Valley Reservoir – the primary water source for Belfast and much of County Down. Around 50,000 visitors a year come for the peace, the striking lake‑and‑pond scenery, and the chance to wander among a landscape that blends natural beauty with industrial heritage.
The park’s visitor centre, conference facilities and education hub are housed in two restored colonial‑style bungalows that overlook the water, offering panoramic views of the surrounding hills. A tea‑room and picnic area provide convenient spots to refuel after a walk.
History & Heritage
The story of Silent Valley begins with the early‑20th‑century effort to secure a reliable water supply for a rapidly expanding Belfast. After the 1891 recommendation of civil engineer Luke Livingston Macassey, the Belfast and District Water Commissioners embarked on the Silent Valley Scheme. Construction of the reservoir started in 1923 and was completed in 1933, a massive undertaking that employed up to 2,000 men and even featured a purpose‑built railway to Annalong Harbour.
A community called Watertown was built in the valley to house the workforce. The settlement included a school, a community hall and a small hospital. After the scheme finished, the houses were auctioned off and the village disappeared, but Watertown House has been preserved and is presented as it would have looked in the 1930s – a vivid glimpse of life in the remote mountain valley.
Nine men lost their lives during the ten‑year construction period. Their names are recorded on a modest memorial near the lower dam wall, a reminder of the human cost behind the engineering feat.
One of the most striking remnants of that era is the Mourne Wall, a 22‑mile (35 km) dry‑stone barrier built between 1904 and 1922 to protect the catchment from livestock. The wall, averaging 1.5 m high and up to 0.9 m thick, weaves over fifteen of the Mourne summits and passes directly through Silent Valley Park. It remains a popular navigation aid for walkers and a tangible link to the engineering ambition that shaped the valley.
Walking Trails
Seven marked routes of varying difficulty criss‑cross the park, each highlighted by QR‑coded information points and the optional Silent Valley Story Trail App (downloadable from the NI Water site). Below are the three most popular walks:
Silent Valley Ben Crom Dam Walk (10.5 km / 3.5‑4.5 hrs)
A linear, mostly surfaced route that follows the tarmac road from the main car‑park past the Silent Valley Dam, along the Binnian Tunnel, and up to the impressive Ben Crom Dam. The climb up the dam’s 260 steps rewards you with sweeping views of the reservoir, Slieve Binnian and the surrounding peaks. The walk is considered easy despite its length because the surface is level for most of the way.
Heritage Trail (3 km / ~1 hr)
A gentle loop that visits the lower dam wall, Watertown House, the Mourne Hand sculpture and the memorial to the nine men who died during construction. Yellow way‑markers guide you along parkland and meadow, making it ideal for families and those with limited time.
Silent Valley Mountain Trail (3 km / 1.5‑2.5 hrs)
A slightly hillier circuit that climbs the slopes surrounding the reservoir, bringing walkers up to sections of the Mourne Wall. From the wall you get dramatic vistas over the water and the peaks beyond. The trail is well‑signposted with black arrows and passes through abandoned quarry areas, woodlands and the banks of a gurgling stream.
All routes are sign‑posted, wheelchair‑accessible around the main reservoir loop, and maps are available at the information centre.
Wildlife & Landscape
The park’s mosaic of parkland, lakes and a pond supports a varied wildlife roster: mute swans, mallards, kingfishers, otters and a range of upland birds such as meadow pipits and skylarks. In late spring and early summer, the meadow edges burst into colour with wildflowers like harebell, primrose and heather. Photographers love the mirror‑like reflections of Slieve Binnian and Ben Crom on calm mornings – a mist‑shrouded sunrise can turn the whole valley into a palette of pastel tones.
Dog‑Friendly
Silent Valley welcomes dogs, provided they are kept on a lead. There is little shade along the lakeside paths, so bring water for your pet, and be aware that dogs are not permitted in the visitor‑centre café.
Accessibility
The main reservoir loop is surfaced and suitable for wheelchair users. Disabled‑friendly toilets and baby‑changing facilities are located near the visitor centre. Guide dogs are permitted throughout the park.
Facilities
- Café/Tea‑room serving light meals and hot drinks.
- Picnic areas with tables and benches.
- Children’s outdoor play area and baby‑changing facilities.
- Disabled‑friendly toilets and guide‑dog access.
- Coach and car parking (single large car‑park at the south end, accessed via a one‑way traffic system).
Practical Information
Opening Times
The reservoir grounds are open daily:
| Season | Opening Hours |
|---|---|
| April – October | 10:00 – 18:00 |
| November – March | 10:00 – 16:00 |
Admission & Parking Fees
| Visitor Type | Fee |
|---|---|
| Car | £5.00 |
| Mini Bus | £13.00 |
| Coach | £35.00 |
| Pedestrian | £1.60 |
| Child (under 12) | £0.60 |
| Motor Bike | £2.50 |
Parking is free for cars and coaches once the entry fee is paid. The on‑site mini‑bus service is currently unavailable.
Getting There
By Car – Access is via the main gates on Head Road, Kilkeel. A one‑way traffic system leads to the large car‑park at the south end of the reservoir.
Public Transport – Check Translink’s Mourne Rambler Service for bus connections to Kilkeel. The nearest airports are Belfast International and City Airport.
Cycling – The park’s perimeter roads are suitable for experienced cyclists; the one‑way system applies to all vehicles.
Visitor Services
The information centre provides route maps, the Silent Valley Story Trail App, and interactive displays on the reservoir’s engineering history. Guided tours are occasionally offered, focusing on the construction of the reservoir, the Mourne Wall and the Binnian Tunnel.
Nearby Attractions
Silent Valley makes an excellent base for exploring the wider Mournes. Within a short drive you can reach:
- Slieve Donard – the highest peak in Northern Ireland (20 min). The Mourne Wall runs over its summit, offering spectacular 360° views.
- Castlewellan Forest Park – renowned for its mountain‑bike trails and ancient oak woods (≈45 min) – see the dedicated internal page.
- Newcastle – a lively seaside town with a long beach and a good selection of pubs and eateries (≈30 min).
- Tollymore Forest Park – a historic forest with riverside walks, bridges and the famous “Maidens” stone arches (≈45 min).
Contact & Further Details
For the latest updates, ticket purchases, or special events, visit the official Discover Northern Ireland page or call the park directly at +44 (0)345 7440 088.
Silent Valley Mountain Park blends natural splendour with a remarkable civil‑engineering legacy, making it a rewarding destination for families, history buffs and anyone seeking the quiet grandeur of the Mournes.