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    Carmarthen Fans Walk

    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
    This reflects the return distance of this route as measured by the GPS file.
    20.3 km
    This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
    947 m
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    Directions to Trailhead

    The Carmarthen Fans Walk is a beautifully scenic, albeit long and difficult, walking route in Brecon Beacons National Park that will take you uphill for stunning views over the landscape of South Wales. While out walking the trail, you will loop around Llyn y Fan Fawr, the Carmarthen Fans, and Llyn y Fan Fach, before traversing the mountains themselves for some amazing views. This is a challenging route that should only be undertaken by seasoned walkers.

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    Route Description for Carmarthen Fans Walk

    Featuring a lengthy overall distance, challenging terrain, and breathtaking scenery, the Carmarthen Fans Walk is an excellent adventure for seasoned walkers that will allow you to explore the rugged landscape in the western reaches of Brecon Beacons National Park in Wales.

    This physically challenging route will lead you north across the River Tawe to walk below an escarpment, skirting around the scenic shores of Llyn y Fan Fawr, before turning to the west to experience some amazing views from below the Carmarthen Fans.

    After reaching the shores of Llyn y Fan Fach, you will climb further uphill to traverse the fans themselves, including the peaks of Waun Lefrith, Picws Du/Bannau Sir Gaer, Fan Brycheiniog, and Fan Hir. After traversing the last summit, you will make your way downhill across the rugged terrain to the southeast in order to return to the trailhead where you began.

    Getting to the Carmarthen Fans Walk Trailhead

    The trailhead for the Carmarthen Fans Walk can be found across from the Tafarn-y-Garreg pub along A4067.

    Route Information

    • Backcountry Campground


    • When to do


    • Pets allowed

      Yes - On Leash

    • Family friendly


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    Carmarthen Fans Walk Elevation Graph

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