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Routes
Road cycling routes
Ireland
Wicklow
The Municipal District of Wicklow

Lough Dan

The best road cycling routes around Lough Dan

4.9

(8)

690

riders

31

rides

Road cycling routes around Lough Dan are set within the Wicklow Mountains National Park, characterized by rolling hills, cypress forests, and expansive open moorland. The region features a boomerang-shaped ribbon lake, fed by the Cloghoge and Inchavore rivers, and is overlooked by Luggala (595 meters) and Knocknacloghoge (534 meters) mountains. The Old Military Road and the Sally Gap offer elevated perspectives and challenging terrain for road cyclists. This area provides diverse landscapes and significant elevation gains, making it suitable for demanding rides.

Best road cycling routes around Lough Dan

  • The most popular road cycling route is Vartry Reservoir Crossing loop from Roundwood, a 15.4 miles (24.8 km) trail that takes 1 hour 10 minutes to complete. This easy route offers views of the Vartry Reservoir.
  • Another top favourite among local road cyclists is Glendalough Grocery – Trooperstown Hill Parking Spot loop from Roundwood, a moderate 14.6 miles (23.6 km) path. This route traverses varied terrain near Glendalough and Trooperstown Hill.
  • Local road cyclists also love the Sally Gap loop from Glendalough, a 14.9 miles (24.0 km) trail leading through the iconic Sally Gap, often completed in about 1 hour 4 minutes.
  • Road cycling around Lough Dan is defined by rolling hills, dense cypress forests, and open moorland, with routes often following the Old Military Road. The network offers options for easy, moderate, and difficult ability levels.
  • The routes in Lough Dan are highly rated by the komoot community with an average score of 4.9 stars from over 7 reviews. More than 600 road cyclists have used komoot to explore Lough Dan's varied terrain.

Last updated: April 26, 2026

4

riders

#1.

Vartry Reservoir Crossing loop from Roundwood

24.8km

01:10

230m

230m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Popular around Lough Dan

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Tips from the Community

Paul_C
October 25, 2025, Ballard Wood

The tranquil trails of Ballard Wood are a charming and peaceful forest that provides you with a lovely escape in the Irish countryside. This woodland is known for its serene atmosphere and well-marked paths, making it ideal for a relaxing walk or a gentle hike. It's a wonderful place to appreciate the quiet natural beauty and the shade of the trees.

1

0

Adie
November 22, 2024, Armoury Café

The Armoury Café offers hearty meals and snacks, made from local seasonal ingredients when available. Fresh warm bakes are a favourite amongst the regulars, including a good company of hill-walkers, backpackers and cyclists. A terrace opens up the opportunity to enjoy refreshments while taking in the beauty of the landscape. Normally closed on Mondays and Tuesdays. It is open from 9.30 to 5.30 Wednesday to Saturday and 9.30 to 5.00 on Sundays. Also opens on Bank Holiday Mondays 9.30 to 5.30.

2

0

Bernd G
August 31, 2024, Glendalough

I missed the glen itself, so will go again on a separate trip, but the coffee & cake shop nearby is highly recommended.

0

0

Good cafe stop on the edge of the Wicklow Mountains National Park. It's a good idea to stock up here as there aren't many opportunities once you get into the mountains.

1

0

Parking spot for one or two cars maximum for anybody who wants to have a quick run or hike up Trooperstown Hill.

4

0

Honza
June 6, 2023, Armoury Café

Beautiful cafe with sitting both inside and outside. Beer can be also bought - Guinness and Carlsberg.

1

0

Alex
February 27, 2023, Glendalough

Glendalough is home to one of the most important monastic sites in Ireland. The early christian settlement was founded in the 6th century and a "monastic city" developed from this. Most the surviving buildings are from the 10-12th centuries. If you have time it is definitely worth cycling through Glendalough and following the lake through to Lower Lake.

1

0

Stunning views of the Wicklow mountain range whilst cycling along this fast road.

1

0

Frequently Asked Questions

What is the overall difficulty level for road cycling routes around Lough Dan?

Lough Dan offers a diverse range of road cycling routes. You'll find 7 easy routes, 13 moderate routes, and 12 difficult routes, catering to various fitness levels. The region is known for its challenging terrain with significant elevation gains, especially on routes like those traversing the Old Military Road or the Sally Gap.

Are there any easy or family-friendly road cycling routes near Lough Dan?

Yes, there are several easier options. For instance, the Vartry Reservoir Crossing loop from Roundwood is an easy 24.8 km route offering scenic views. While many routes involve significant climbs, some sections are paved and suitable for less experienced cyclists or families looking for a gentler ride.

What are some notable landmarks or viewpoints to see while road cycling around Lough Dan?

The region is rich in natural beauty and iconic landmarks. Cyclists can experience breathtaking scenery along the Old Military Road, which offers views of snow-capped mountains and vibrant heathers. The mythical Sally Gap provides panoramic vistas of Lough Dan, Lough Tay, and Luggala Mountain. For elevated perspectives, the summit of Knocknacloghoge offers some of the best views of Lough Dan from above.

What is the best time of year for road cycling in the Lough Dan area?

The Wicklow Mountains National Park, where Lough Dan is located, offers stunning scenery year-round. However, for the most comfortable cycling conditions, late spring to early autumn (May to September) is generally recommended. During these months, the weather is milder, and the vibrant flowering heathers add to the picturesque landscape. Be prepared for potentially bumpy sections and varying weather conditions, as is typical for mountainous regions.

Are there any challenging road cycling routes for experienced riders?

Absolutely. Lough Dan is particularly appealing for experienced road cyclists seeking demanding rides. Routes like the Sally Gap and Slieve Man loop from Roundwood, which covers over 100 km with significant elevation, or the Sally Gap, Glencree and Enniskerry loop from Laragh, are classified as difficult due to substantial elevation gains and longer distances. The mountainous terrain and scenic roads provide an excellent test for fitness.

What do other road cyclists enjoy most about the routes around Lough Dan?

The road cycling routes around Lough Dan are highly rated by the komoot community, with an average score of 4.9 stars. Cyclists often praise the stunning natural beauty, the challenging climbs, and the constantly unfolding diverse landscapes, from dense cypress forests to open moorland. The sense of accomplishment after tackling routes like those along the Old Military Road is frequently highlighted.

Are there options for parking near the road cycling routes in Lough Dan?

Yes, many road cycling routes in the Lough Dan area, particularly those starting from nearby towns like Roundwood or Glendalough, offer parking facilities. It's advisable to check specific route details on komoot for designated parking spots at the start of your chosen tour to ensure convenience.

Can I find cafes or pubs along the road cycling routes near Lough Dan?

While Lough Dan itself is a natural, secluded area, nearby villages such as Roundwood and Laragh, which serve as common starting points or pass-throughs for many routes, offer cafes, pubs, and restaurants. These provide excellent opportunities for refreshments and breaks during or after your ride.

What kind of terrain should I expect on road cycling routes around Lough Dan?

The terrain around Lough Dan is characterized by rolling hills, dense cypress forests, and expansive open moorland. While many surfaces are paved, cyclists should be prepared for some segments that might be unpaved or have rougher surfaces, especially on older roads like parts of the Old Military Road. Expect significant elevation changes, with demanding climbs and exhilarating descents.

How long does it typically take to complete a road cycling route around Lough Dan?

The duration varies significantly depending on the route's length and difficulty. For example, an easy route like the Vartry Reservoir Crossing loop from Roundwood (24.8 km) can take around 1 hour 10 minutes. More challenging routes, such as the Sally Gap and Slieve Man loop from Roundwood (over 100 km), can take several hours, requiring a full day's commitment.

Are there any specific permits required for road cycling in the Wicklow Mountains National Park?

Generally, no specific permits are required for road cycling on public roads within the Wicklow Mountains National Park. However, it's always good practice to respect local regulations and private land notices. Always stay on designated roads and trails and be mindful of the natural environment.

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