Circular
Locking Parklands–Hutton–Christon
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Flat Holm
Flat Holm Group Walks | Join a Walk
32m
Elevation
32m
Prominence
Wales
Country
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Classifications
0-99m Tump
SIB
Looking for walking companions?
Don't walk alone! Find friendly walkers to explore Flat Holm together. Join scheduled group walks or start your own.
Elevation
32m
106 ft
Prominence
32m
Coordinates
51.3756, -3.1184
ST222646
OS Map
171 182
Explorer: 151E 153
At the Summit
The summit features a small observation point and a historic lighthouse, providing a great spot for a quick selfie and some splendid views.
Terrain & Geology
Grassland with some rocky outcrops and paths
easy underfoot.
The island is primarily composed of limestone, which has created a unique habitat for diverse flora and fauna. The underlying geology is part of the Carboniferous limestone, giving rise to features such as sea caves and blowholes.
Views & Scenery
From the summit, walkers can see the Bristol Channel, the distant Brecon Beacons, and the city of Cardiff.
History & Heritage
Name Origin
Flat Holm derives its name from the Old Norse 'Holmr' meaning 'small island'.
Historical Significance
Flat Holm has served various purposes throughout history, including a quarantine station in the 19th century and importance during the First and Second World Wars.
Photo Gallery
View allPopular Routes
Flat Holm Walk
EasyA gentle circular walk around the island, suitable for all ages.
3.5 km
1.5 hours
Getting There & Facilities
Parking
Parking is available at Cardiff Bay, with a designated area for visitors to drop off before boarding the ferry.
Public Transport
Regular bus services connect Cardiff city centre to Cardiff Bay, and ferries operate to Flat Holm from the Bay.
Nearby Facilities
There are basic facilities on the island, including toilets and a visitor centre during the summer months. Bring your own snacks, as the café is quite limited!
Safety Information
Known Hazards
- Coastal paths may become slippery after rain, and strong tides can impact access to some areas around the shoreline.
General Safety Tips
- Check weather conditions before setting out
- Carry appropriate clothing and equipment
- Let someone know your planned route
- Take a map, compass, and GPS device
- Carry emergency supplies: food, water, first aid kit, torch
Find Walking Companions
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Hills
Some common questions about the hills answered
Are there group walks up Flat Holm?
Many walkers use Walkmates to join or organise walks with others. You can check for group walks around Flat Holm through the maps
Are there other walkers around Flat Holm?
Activity varies by location and time, but Walkmates lets you see whether others have shared walks or shown interest in this area. Find other people through the walking friends search walking friends for Flat Holm search or of course create your own walk for Flat Holm
Can I organise a walk to Flat Holm?
Yes. If there aren’t any walks listed already, you can create a walk and make it available for others to join.
If you're signed up to Walkmates, you can create a walk to Flat Holm.
How do I find a walk up this hill?
There are often multiple ways to walk this hill, depending on experience and route preference. Walkmates helps you explore walks and routes that others have shared.
Can I suggest a new route up Flat Holm?
Yes. You can suggest or create routes to share with others. Walkmates focuses on the social side of walking, so routes are used to help people organise walks and explore areas together, rather than as detailed navigation tools or route libraries.
Other uses really appreciate knowledgeable walkers sharing their routes. Share your favourite route to Flat Holm here
The is an error or something incorrect about this hill. How do I let you know?
We always strive to keep the information on Walkmates as accurate as possible. If you find an error, please let us know through the contact form and we'll aim to correct it as quickly as possible
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Location
Grid Ref: ST222646
Nearby Hills
+ 5 more nearby hills
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