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United Kingdom
Wales
South Wales
Cardiff

Llanishen Reservoir

The best walks and hikes around Llanishen Reservoir

4.5

(674)

10,353

hikers

559

hikes

Hiking trails around Llanishen Reservoir offer accessible routes around a significant body of water in Cardiff. The terrain is generally flat, making it suitable for various activity levels. The area features the reservoir itself, surrounded by green spaces and connecting paths to nearby parks. Elevation changes are minimal across most routes, providing a gentle outdoor experience.

Best hiking trails around Llanishen Reservoir

  • The most popular hiking route is Rhydypenau Park – Llanishen Reservoir loop from Llanishen, a 1.9 miles (3.0 km) trail that takes 46 minutes to complete. This easy loop offers consistent views of the reservoir.
  • Another top favourite among local hikers is Llanishen Reservoir loop from Cyncoed, an easy 1.9 miles (3.0 km) path. This route provides a similar experience around the reservoir's perimeter, starting from a different access point.
  • Local hikers also love the Nant Fawr Metal Bridge – Llanishen Reservoir loop from Llanishen, a 3.3 miles (5.3 km) trail leading through parkland and alongside the reservoir, often completed in about 1 hour 24 minutes.
  • Hiking around Llanishen Reservoir is defined by its tranquil reservoir paths, surrounding parkland, and generally flat terrain. The network offers options for easy and moderate ability levels.
  • The routes in Llanishen Reservoir are highly rated by the komoot community with an average score of 4.6 stars from over 600 reviews. More than 10,000 hikers have used komoot to explore Llanishen Reservoir's varied terrain.

Last updated: June 25, 2026

145

hikers

#1.

Rhydypenau Park – Llanishen Reservoir loop from Llanishen

3.02km

00:46

10m

10m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Popular around Llanishen Reservoir

Road Cycling Routes around Llanishen Reservoir

Running Trails around Llanishen Reservoir

Cycling around Llanishen Reservoir

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MTB Trails around Llanishen Reservoir

Tips from the Community

Paul (JEMBC)
March 14, 2026, Llanishen Station Fenced Pathway

This track has been improved, now wider and tarmacked.

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Hardpack path through the park

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Narrow bridge over a stream

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A huge garden with flowerbeds as far as the eye can see. The roses are currently in season and the variety and quality is outstanding. Thank you to all those who maintain this flower Paradise ❤️

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Roath Park Lake has stunning vistas and tree-lined pathways. Lots of birds relax on the shores.

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Liam
May 4, 2025, Roath Park Lake

lovely part of Cardiff, particularly on a sunny day. good spot for a stroll but very busy with families and people walking so not very suited for cycling

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Peter Turner
February 14, 2025, Terra Nova Café

Wonderful cafe perched right over the edge of the lake - feels like being in a rowboat right on the lake! Enjoying a generous baked potato and chilli con carne marks a great end to a wonderful hike.

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Narrow fenced shortcut

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Frequently Asked Questions

How many hiking trails are available around Llanishen Reservoir?

There are over 590 hiking routes available around Llanishen Reservoir, catering to various preferences. The majority, over 370, are considered easy, making the area very accessible for most hikers.

Are the trails around Llanishen Reservoir suitable for beginners or families with children?

Yes, the trails around Llanishen Reservoir are generally flat with minimal elevation changes, making them ideal for beginners and families. Many routes are classified as easy, such as the Rhydypenau Park – Llanishen Reservoir loop from Llanishen, which is just 1.9 miles (3.0 km) long.

Are dogs allowed on the trails around Llanishen Reservoir?

Llanishen Reservoir is generally dog-friendly, but it's important to keep dogs on a lead, especially around wildlife and other visitors. Specific rules may apply in certain areas, so always look for local signage.

Are there any circular walks around Llanishen Reservoir?

Yes, many of the routes around Llanishen Reservoir are circular, offering convenient loops. Popular options include the Llanishen Reservoir loop from Cyncoed, which provides a full circuit of the reservoir.

What is the best time of year to go hiking at Llanishen Reservoir?

Llanishen Reservoir is enjoyable year-round. Spring and autumn offer pleasant temperatures and beautiful foliage, while summer is great for longer days. Winter walks can be crisp and quiet, though paths might be damp. The generally flat terrain makes it accessible in most conditions.

Is there parking available for hikers at Llanishen Reservoir?

Yes, there are usually designated parking areas near Llanishen Reservoir. Specific car parks can be found at various access points around the reservoir, making it convenient for visitors arriving by car.

Can I reach Llanishen Reservoir using public transport?

Llanishen Reservoir is well-connected by public transport. Bus routes serve the surrounding residential areas, and Llanishen train station is also within reasonable walking distance, offering access to some starting points like the Llanishen Reservoir and Roath Park Lake loop from Llanishen station.

Are there any cafes or pubs near the hiking trails?

While the immediate reservoir area is primarily natural, the surrounding residential neighborhoods of Llanishen and Cyncoed offer various cafes, pubs, and shops where you can find refreshments before or after your hike.

What kind of wildlife can I expect to see at Llanishen Reservoir?

Llanishen Reservoir is a haven for various bird species, especially waterfowl. Keep an eye out for ducks, geese, swans, and other aquatic birds. The surrounding green spaces may also host smaller mammals and insects.

What do other hikers enjoy most about hiking in Llanishen Reservoir?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 600 reviews. Reviewers often praise the tranquil reservoir paths, the ease of the walks, and the pleasant green surroundings, making it a perfect escape within the city.

Are there longer routes that combine Llanishen Reservoir with other areas?

Yes, for those looking for a longer adventure, routes like the Llanishen Reservoir and Roath Park Lake loop from Llanishen station extend beyond the reservoir to incorporate nearby green spaces and other landmarks, offering a moderate challenge over 9.3 km (5.8 miles).

Most popular routes around Llanishen Reservoir

Dog-friendly hikes around Llanishen Reservoir

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