2.5
(2)
5
riders
5
rides
Mountain biking around Poulaphouca Reservoir, also known as the Blessington Lakes, offers routes through County Wicklow, Ireland, characterized by its large artificial reservoir, rolling hills, and diverse terrain. The area features a mix of lakeside paths, wooded lanes, and open meadows, set against the backdrop of the Wicklow Mountains. This region provides varied environments for outdoor pursuits, including dedicated cycling trails and more challenging mountain routes.
Last updated: July 7, 2026
4.0
(1)
4
riders
29.6km
02:43
720m
720m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
47.9km
04:54
1,150m
1,150m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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61.7km
04:43
1,130m
1,130m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
74.1km
07:23
1,710m
1,710m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
1.0
(1)
1
riders
52.4km
04:28
1,130m
1,130m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Sally Gap, one of the highest and most open crossroads in the Wicklow Mountains. Here, the R759 and the Old Military Road (R115) intersect at over 500 meters altitude, in the middle of a vast moorland and heath landscape without buildings or shelter. The panorama is a full 360°: the dark bogs of Liffey Head Bog, the flanks of Kippure, the valleys towards Glencree, and the long, empty Military Road that runs like a pencil line through the highlands. This location is world-famous as a backdrop for films and series such as Braveheart, Vikings, and P.S. I Love You.
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Gravale is a 718-metre (2,356 ft) summit on the central spine of the Wicklow Mountains range and part of the Mullaghcleevaun massif. It's easily accessed from Sally Gap on the R759 after visiting Carrigvore. The summit itself is not prominent to qualify as a Marilyn, but such classifications fade in importance on a clear day, when you're treated to splendid Wicklow Mountains scenery.
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Amazing views of Lough Ouler,well worth the climb up to the top. Be warned the weather can close in fast up here, so make sure you've got an extra layer if you stop to admire the view.
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Quiet bridge over the Liffey, running through the Wicklow Mountains just before it runs into the Poulaphouca Reservoir.
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Both Black Hill and nearby Sorrel Hill are great out and back run or hike outings and can be completed from the same sizeable car park at Ballynultagh Gap. These trails are very popular for a good reason, some great views can be had out over the Wicklow countryside from here.
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Gravale at 718 meters (2,356 ft), is the 79th–highest peak in Ireland on the Arderin scale, and the 98th–highest peak on the Vandeleur-Lynam scale and is a designated Hewitt. It has a cairned summit.
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Carrigvore at 682 metres (2,238 ft), is the 111th–highest peak in Ireland on the Arderin scale, and the 134th–highest peak on the Vandeleur-Lynam scale and is a designated Hewitt.
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The mountain bike trails directly around Poulaphouca Reservoir, particularly the Blessington Greenway, offer a less intensive experience suitable for beginners and families, featuring paved and gravel tracks. However, the broader region, including the routes highlighted in this guide, primarily features challenging trails. All 5 routes listed here are rated as difficult, such as the Black Hill loop from Blessington.
Yes, while many routes in the wider Wicklow area are challenging, the Blessington Greenway, which winds along the shores of Poulaphouca Reservoir, is particularly suitable for families and beginners. It offers a picturesque cycling trail on both paved and gravel tracks, providing a gentle introduction to mountain biking in the area.
You'll experience a diverse range of landscapes, from tranquil reservoir views to lush forests and rolling hills. The trails often traverse varied terrain, including lakeside paths, wooded lanes, and open meadows, all set against the dramatic backdrop of the Wicklow Mountains. Routes like the Black Hill & Lough Ouler loop from Blessington offer continuous lake views and glimpses of the surrounding mountains.
Yes, the area is rich in natural beauty and historical sites. You'll encounter panoramic views of the Poulaphouca Reservoir (also known as the Blessington Lakes) and the Wicklow Mountains. Trails also pass by sites of historical significance, such as an ancient medieval Ringfort, and the nearby Russborough House, an 18th-century mansion with Palladian architecture and manicured gardens. The reservoir itself is a designated area for wild bird conservation, offering opportunities for wildlife spotting.
The routes in this guide vary significantly in length, catering to different endurance levels. For example, the Black Hill loop from Blessington is approximately 18.4 miles (29.6 km), while the Slade Valley MTB trails loop from Blessington extends to about 38.3 miles (61.7 km).
Yes, many of the mountain bike routes in the area are designed as loops, allowing you to start and finish at the same point. Examples include the Black Hill loop from Blessington and the Black Hill & Lough Ouler loop from Blessington, providing continuous cycling experiences without backtracking.
The area is appreciated by the komoot community for its varied terrain and stunning natural beauty. Reviewers often praise the tranquil reservoir views, lush forests, and the challenge offered by the rolling hills. The routes provide a great way to explore the dramatic landscape of the Wicklow Mountains.
The Poulaphouca Reservoir area can be enjoyed year-round, but spring and autumn often offer the most pleasant conditions with milder temperatures and beautiful foliage. Summer is also popular, though trails can be busier. Winter riding is possible, but be prepared for potentially wet and muddy conditions, especially on unpaved sections.
Absolutely. While the Blessington Greenway offers easier rides, the broader Wicklow region, where Poulaphouca is situated, is renowned for its challenging mountain biking. All 5 routes featured in this guide are rated as difficult, such as the extensive Ballymore Eustace to Brockagh Mountain loop, which features significant elevation gains and technical sections.
Many of the routes, particularly those starting from Blessington, offer convenient access points. For specific parking information, it's best to check the individual route details on komoot, as parking availability can vary. The Blessington Greenway also has designated access points along its 5.5km stretch, connecting Blessington with Russborough House.
The town of Blessington, located at the northern end of the reservoir, serves as a good base and offers various amenities, including cafes, shops, and places to refuel before or after your ride. Russborough House, a key point along the Blessington Greenway, also has facilities and a cafe.
Poulaphouca Reservoir is a hub for various outdoor pursuits. Beyond mountain biking, you can enjoy water sports like kayaking, paddleboarding, and sailing. Fishing for trout and pike is also popular. The surrounding Wicklow Mountains National Park offers numerous hiking trails, from easy strolls to more challenging routes.

