5.0
(1)
82
riders
9
rides
Mountain biking around Vartry Reservoir Lower offers a diverse landscape characterized by rolling hills, dense woodlands, and open mountain passes. The region features varied terrain, including sections of the Wicklow Way and routes near prominent features like Sally Gap and Lough Tay. Mountain bikers can expect a mix of forest trails, challenging climbs towards summits, and scenic loops around the reservoir.
Last updated: July 8, 2026
4
riders
21.8km
02:09
630m
630m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
6
riders
42.5km
02:47
620m
620m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
9
riders
41.8km
03:16
840m
840m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
14
riders
6.43km
00:45
230m
230m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
1
riders
15.4km
01:28
490m
500m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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The Glenmacnass Waterfall cascades 80–100 metres down several broad steps into a carved U‑shaped valley, one of the wildest landscapes in the Wicklow Mountains. From the R115, you have a frontal view of the granite ledge over which the water falls, with open moorland, peat slopes, and the river winding its way towards Laragh.
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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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Did the loop today bottom part was very wet, boggy under foot so make sure you were good footwear. Climb up Djouce was straight forward but the loop was difficult.
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The Vartry Upper Reservoir, located near Roundwood in County Wicklow, is part of a significant water supply system that serves Dublin city. Completed in 1923, it has a capacity of 5.6 billion litres and a maximum depth of 13.4 metres. The reservoir is surrounded by nearly 20 km of walking trails, offering scenic views of the surrounding mountains and diverse wildlife.
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Great trails and a super nice team at the base station. Bike rental, cafe... biker's heart, what more could you want.
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There are 9 mountain bike trails in the Vartry Reservoir Lower area, offering a range of difficulties from easy to difficult.
Yes, for those seeking an easier ride, the Mountainbike loop from Ballinastoe Wood is an excellent option. This 6.4 km trail is rated as easy and is suitable for beginners or a relaxed outing.
Advanced mountain bikers will find plenty of challenging routes, with 7 difficult trails available. A notable option is the Wicklow Way – Scarr Mountain Summit loop from Roundwood, a 22.0 km route with significant elevation gain and expansive mountain views.
For families, the easier trails are generally the most suitable. The Mountainbike loop from Ballinastoe Wood is a good choice, offering a manageable distance and terrain for a family ride.
Yes, many of the mountain bike trails in the area are loops, allowing you to start and finish at the same point. Examples include the Wicklow Way – Scarr Mountain Summit loop from Roundwood and the Lough Tay – Sally Gap loop from Ballinastoe Wood.
Many trails offer stunning views of the surrounding Wicklow Mountains and the reservoir itself. The Wicklow Way – Scarr Mountain Summit loop from Roundwood, for instance, is known for its expansive mountain vistas from Scarr Mountain Summit.
Yes, the Sally Gap – Glenmacnass Waterfall loop from Vartry Reservoir Upper is a moderate trail that navigates through scenic mountain passes and past the notable Glenmacnass Waterfall.
Beyond the trails themselves, you can encounter several points of interest. The Vartry Reservoir is a central feature, and you might also pass the Grass Beach at Vartry Reservoir or the Pedestrian Gate on Vartry Reservoir Wall.
The Wicklow Mountains, including the Vartry Reservoir area, are beautiful year-round. However, spring and autumn generally offer pleasant temperatures and vibrant scenery. Summer can be great, but trails might be busier. Winter rides are possible but require appropriate gear for potentially colder and wetter conditions.
The komoot community frequently praises the diverse landscape, which includes rolling hills, dense woodlands, and open mountain passes. Riders often highlight the mix of challenging climbs and scenic loops, as well as the expansive mountain views found on routes like the Lough Tay – Sally Gap loop from Luggala.
While specific cafes or pubs directly on the trails are limited, the nearby village of Roundwood offers several options for refreshments and meals after your ride. It's advisable to check opening times in advance.
The trails vary significantly in length. The shortest trail is the Mountainbike loop from Ballinastoe Wood at 6.4 km, while longer routes like the Sally Gap – Glenmacnass Waterfall loop from Vartry Reservoir Upper extend to 42.6 km.

