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Routes
Mountain biking trails
Ireland
Wicklow

Black Hill & Lough Ouler loop from Blessington

Routes
Mountain biking trails
Ireland
Wicklow

Black Hill & Lough Ouler loop from Blessington

Hard

Black Hill & Lough Ouler loop from Blessington

04:54

47.9km

1,150m

Mountain biking

This difficult 29.8-mile mountain biking loop from Blessington offers challenging terrain and stunning views of Lough Ouler and the Wicklow

Last updated: February 26, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 14.0 km for 1.44 km

After 21.3 km for 98 m

Waypoints

A

Start point

Parking

Get Directions

1

1.43 km

Blessington Bridge

Highlight • Bridge

Lovely views of Blessington lake (also known as Poulhapouca Reservoir) from the bridge. Good climbs on both sides of the lake to play around with.

Tip by

2

11.8 km

Black Hill Summit

Highlight • Summit

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.

Tip by

3

21.3 km

Lough Ouler

Highlight • Lake

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.

Tip by

B

47.9 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

21.4 km

19.3 km

6.31 km

403 m

289 m

197 m

< 100 m

Surfaces

21.0 km

9.56 km

6.61 km

6.38 km

2.54 km

1.68 km

151 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (840 m)

Lowest point (180 m)

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Weather

Powered by Foreca

Monday 18 May

14°C

8°C

87 %

Additional weather tips

Max wind speed: 28.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Black Hill & Lough Ouler loop for mountain biking?

This loop is considered difficult for mountain biking. It demands good fitness and advanced riding skills. Be prepared for challenging terrain, and some sections may even require you to push your bike.

What kind of terrain can I expect on this mountain biking route?

The route features a diverse mix of surfaces. You'll encounter significant portions of asphalt (around 21 km) and singletrack (approximately 19.3 km). Other sections include unpaved paths, natural terrain, alpine sections, and gravel. Reviewers often note that the trail can be muddy and boggy, especially after rain, with some steep climbs.

How long does it typically take to complete the Black Hill & Lough Ouler loop?

Given its length of nearly 48 km and significant elevation gain, this challenging mountain bike loop typically takes over 5 hours to complete. Your actual time will depend on your fitness level, riding speed, and trail conditions.

What are the main points of interest along the route?

You'll encounter several notable sights. Highlights include the Blessington Bridge near the start, the panoramic views from Black Hill Summit, and the stunning heart-shaped Lough Ouler nestled between Stoney Top Mountain and Tonelagee Peak. The route also offers breathtaking views of the Wicklow Mountains, Poulaphouca Reservoir, and passes near Glenmacnass Waterfall.

When is the best time of year to mountain bike this loop?

The best time to ride is generally during drier periods, typically late spring to early autumn, to avoid the worst of the mud and boggy conditions. Always check local weather forecasts and recent trail reports before heading out, as conditions can change rapidly in the Wicklow Mountains.

Are there any permits or fees required to access the Black Hill & Lough Ouler loop in Wicklow Mountains National Park?

Generally, there are no specific permits or entrance fees required to access the trails within the Wicklow Mountains National Park for recreational activities like mountain biking. However, always respect local regulations, private land, and leave no trace. For any specific concerns, you can check the Visit Wicklow website for the latest information.

Where can I park for the Black Hill & Lough Ouler loop from Blessington?

As the loop starts from Blessington, you'll typically find parking options within or near the town. Specific parking areas for trail access may vary, so it's advisable to check local maps or community information for designated trailhead parking in the Blessington area before your visit.

Are dogs allowed on the Black Hill & Lough Ouler loop?

While many areas in the Wicklow Mountains National Park are dog-friendly, it's crucial to keep dogs under control, preferably on a leash, especially due to livestock, ground-nesting birds, and other wildlife. Always follow the Leave No Trace principles and clean up after your dog.

Does this trail intersect with other well-known paths?

Yes, the route intersects with and utilizes sections of several other paths. You'll find yourself on parts of the Saint Kevin's Way - Valleymount Spur, the main Saint Kevin's Way, and the Blessington Greenway. Other smaller sections include the Lacken – Mass Path Loop and the Old Mine Path.

What kind of wildlife might I see along the Black Hill & Lough Ouler loop?

The Wicklow Mountains are home to diverse wildlife. Keep an eye out for native species such as red deer and foxes. The area's blanket bogs also support unique plant life and insects. Remember to observe wildlife from a distance and avoid disturbing their natural habitat.

Is this trail suitable for families or beginners?

No, this loop is explicitly rated as difficult and requires advanced mountain biking skills and good fitness. It is not recommended for beginners or families with young children due to its challenging terrain, significant elevation gain, and potential for muddy, boggy, and steep sections.

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