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Routes
Road cycling routes
United Kingdom
Wales
South Wales
Cardiff

Cardiff Bay to Barry Island loop via Penarth

Routes
Road cycling routes
United Kingdom
Wales
South Wales
Cardiff

Cardiff Bay to Barry Island loop via Penarth

Easy

4.3

(12)

75

riders

Cardiff Bay to Barry Island loop via Penarth

01:29

32.7km

260m

Road cycling

Embark on a scenic road cycling journey from Cardiff Bay to Barry Island, looping back via Penarth. This easy 20.3-mile (32.7 km) route offers a pleasant ride with 857 feet (261 metres) of elevation gain, typically completed in about 1 hour and 28 minutes. You will experience diverse coastal scenery,…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

1.13 km

Cardiff Bay Barrage

Highlight (Segment) • Structure

Separated pedestrian and cycle paths. Must be included on a scenic tour of Cardiff.

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2

2.22 km

View of Cardiff Bay from Pembroke Terrace

Highlight (Segment) • Lake

One of the steepest hills to climb locally to Cardiff Bay. Best not to get too carried away early on as you can quickly run out of steam halfway up. …

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3

3.87 km

Penarth Pier and Pavilion

Highlight • Structure

Penarth Pier is an iconic location, looking out over the Severn estuary with a 1929 art deco styled Pavilion building.

Facilities include a gallery, cinema, cafe and an olde fashioned sweet shop.

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4

15.0 km

Barry Dock Office

Highlight • Other

The offices were constructed between 1897 and 1900 and bear the date 1898. The development was part of the industrialist David Davies's scheme for Barry Docks and was intended to …

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B

32.7 km

End point

Parking

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Way Types & Surfaces

Way Types

22.9 km

4.20 km

3.13 km

2.37 km

< 100 m

< 100 m

Surfaces

27.8 km

4.88 km

< 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 (60 m)

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Weather

Powered by Foreca

Thursday 7 May

17°C

9°C

29 %

Additional weather tips

Max wind speed: 19.0 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 Cardiff Bay to Barry Island loop?

The route offers a varied terrain. You'll find significant portions of well-paved surfaces and asphalt, including dedicated cycleways and sections of old railway lines converted into cycle paths. However, be aware that some coastal path sections, particularly those not specifically designated for cycling, can be rougher, muddy, or unmade, and may require brief detours onto adjacent roads if you're on a pure road bike.

What are the main points of interest along this cycling route?

You'll encounter a diverse range of landmarks and scenic spots. Highlights include the impressive Cardiff Bay Barrage, offering great coastal views, and the iconic Penarth Pier and Pavilion. You'll also get a View of Cardiff Bay from Pembroke Terrace, and pass by the historic Barry Dock Office. The route also showcases the vibrant Cardiff Bay waterfront and the dramatic coastal scenery of the Vale of Glamorgan.

Are there any significant climbs on the route?

While generally considered easy with mostly gentle hills, there are a couple of notable inclines. The 'wiggly path up to Penarth' is consistently mentioned as the steepest part of the ride. On the return journey, St Mary's Well Bay Road also involves an uphill section, though it's described as not overly steep.

Where can I park to start this cycling loop?

For starting the loop from Cardiff Bay, there are various public car parks available in the Cardiff Bay area. Consider parking near the Wales Millennium Centre or the Barrage for convenient access to the start of the route.

Can I access the route using public transport with my bike?

Yes, both Cardiff and Barry Island are well-served by public transport, including train services that allow bikes (though restrictions may apply during peak hours). Penarth also has a train station. It's advisable to check specific train operator policies and timetables regarding bike carriage before you travel.

Is the Cardiff Bay to Barry Island loop dog-friendly?

While the route largely follows cycle paths and roads, which are generally dog-friendly, specific sections of the coastal path might have restrictions or be unsuitable for dogs, especially if they are unmade or involve walking on rocky beaches. Always keep dogs on a leash, especially in urban areas, near livestock, or on shared paths.

What is the best time of year to cycle this route?

The best time to cycle this route is typically during the spring, summer, and early autumn months (April to October). During these periods, you'll generally experience milder weather, longer daylight hours, and less chance of muddy conditions on unpaved sections. Always check the local weather forecast before heading out.

Do I need any permits or pay entrance fees for this route?

No, there are no specific permits or entrance fees required to cycle this loop. The route primarily uses public cycle paths, roads, and sections of the National Cycle Network.

Is this a family-friendly cycling route?

Much of the route, particularly the dedicated cycle paths and well-paved sections, is suitable for families. However, some parts involve riding on quiet roads with traffic, and certain coastal path sections might be too rough for younger children or less experienced riders. Families might prefer to cycle specific sections, such as the Cardiff Bay Barrage or the Penarth promenade, rather than the entire loop.

Are there places to eat and drink along the route?

Absolutely! You'll find numerous cafes, bars, and restaurants in Cardiff Bay at the start/end of your ride. Penarth also offers a good selection of eateries, particularly around the pier and town centre. Barry Island provides traditional seaside cafes and food stalls. It's a well-serviced route for refreshments.

Does the trail intersect other well-known paths?

Yes, the route incorporates sections of the proposed National Cycle Network Route 88. It also follows parts of the Cardiff Bay Trail and the Railway Walk, among other local paths like Ferry Lane and Cogan Hill.

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