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Hiking trails & Routes
Ireland
Leinster
Dublin

Bohernabreena Upper & Lower Reservoir loop

Routes
Hiking trails & Routes
Ireland
Leinster
Dublin

Bohernabreena Upper & Lower Reservoir loop

Moderate

4.8

(12)

90

hikers

Bohernabreena Upper & Lower Reservoir loop

03:07

11.9km

100m

Hiking

This moderate 7.4-mile (11.9 km) loop around Bohernabreena's reservoirs offers scenic views and takes about 3 hours.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

2.93 km

Bohernabreena Lower Reservoir

Highlight • Lake

The Bohernabreena reservoirs are a truly stunning area of natural beauty. The lower reservoir is the smallest of the two, there is a valve tower that allows you to step out onto the reservoir to catch epic views of the water and surrounding landscapes.

Tip by

2

4.32 km

There are two reservoirs here in the Glenasmole Valley. They are surrounded by many trees so that they blend in nicely with the landscape. The upper one supplies water for the south of Dublin.

Translated by Google •

Tip by

B

11.9 km

End point

Parking

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Way Types & Surfaces

Way Types

6.69 km

4.34 km

613 m

129 m

125 m

Surfaces

7.81 km

2.46 km

1.48 km

< 100 m

< 100 m

< 100 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 (190 m)

Lowest point (110 m)

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Weather

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Thursday 7 May

14°C

7°C

31 %

Additional weather tips

Max wind speed: 17.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Bohernabreena Reservoir loop?

The terrain is generally flat, making it accessible for most. You'll encounter both paved sections and natural forest paths. Be aware that some areas, especially if you venture off the main route, can be muddy or silty, so hiking boots are recommended.

What kind of views and natural features can I expect along the route?

You'll enjoy incredible views of the Bohernabreena Lower Reservoir and Bohernabreena Upper Reservoir, set within the deep glacial Glenasmole Valley. Kippure mountain is a prominent feature, and the path is bordered by forests. You'll also see the River Dodder with picturesque arched bridges and distant views of St. Anne's Cemetery ruins.

Is the Bohernabreena Upper & Lower Reservoir loop suitable for beginners or families?

Yes, this trail is considered easy and very doable, making it suitable for most ages and fitness levels, including beginners and families. There are options for shorter walks if you prefer, such as a 4 km loop focusing on the lower reservoir.

Where can I park for the Bohernabreena Reservoir loop?

Parking is available near the trailhead in the Glenasmole Valley. Specific parking areas are usually found close to the reservoir access points, but it's always a good idea to check local signage upon arrival.

Can I reach the Bohernabreena Reservoir loop by public transport?

While the area is accessible, public transport options directly to the trailhead might be limited. It's advisable to check current bus routes and schedules for services that go into the Glenasmole Valley or nearby areas, potentially requiring a short walk to the starting point.

Is the Bohernabreena Reservoir loop dog-friendly?

Yes, the trail is generally dog-friendly. However, as the area is rich in wildlife and often has livestock like sheep and cows, it's crucial to keep dogs on a leash to ensure their safety and respect the local environment and farming activities.

When is the best time of year to hike this trail?

The trail is enjoyable year-round. Spring and summer offer lush greenery and wildflowers, while autumn brings beautiful foliage. Even in winter, it can be a rewarding walk, though some sections might be muddier, so appropriate footwear is key.

Are there any permits or entrance fees required for the Glenasmole Valley or the trail?

No, there are typically no permits or entrance fees required to access the Glenasmole Valley or to hike the Bohernabreena Reservoir loop. It's freely accessible for public enjoyment.

What wildlife can I spot along the Bohernabreena Reservoir loop?

The area is rich in flora and fauna. You might spot various wildflowers, and it's common to see deer, cows, and sheep, adding to the rural charm of the hike.

Does this trail connect with other well-known paths?

Yes, the route intersects with sections of the Dublin Mountains Way, a long-distance trail, and also parts of the Dodder Greenway. This offers opportunities for extended hiking if you wish to explore further into the wider area.

What makes the Bohernabreena Reservoir loop particularly notable?

Beyond its natural beauty, the reservoirs themselves have historical significance, built in the 1880s for flood control and water supply. Its setting in the Glenasmole Valley, bordering the Wicklow National Park and Dublin Mountains, offers a unique blend of nature close to the city, making it an 'unexpected treasure'.

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