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Mawddwy

Pen yr Allt Uchaf

Highlight • Viewpoint

Pen yr Allt Uchaf

Hiking

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Pen yr Allt Uchaf is a prominent viewpoint and subsidiary summit nestled within the southern reaches of Snowdonia National Park in Gwynedd, Wales. Standing at an elevation of 641 meters, its name, translating to "top of the highest slope," perfectly describes its position as the highest point on a distinct ridge branching off the south side of the majestic Aran Fawddwy. This natural landmark is a key feature of the Arans range, offering a challenging yet rewarding experience for those…

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Parc Cenedlaethol Eryri

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    December 18, 2020

    Hiking

    Pen yr Allt Uchaf is a subsidiary summit of Aran Fawddwy in the south of the Snowdonia National Park in Gwynedd, Wales. The summit is the highest point on a ridge branching off to the west of Aran Fawddwy's south ridge. The summit is marked by a small cairn, and offers bird-eyes views of Cwm Cywarch. Close views of the steep south faces of Glasgwm, Gwaun y Llwyni and Aran Fawddwy are observed. It is a UK listed Nuttall.

    October 10, 2025

    Hiking

    The highest point on the eastern arm of the Arans range. A direct ascent is a slog on steep grass, but an easier route is to follow the good path to Drysgol, and double back over much easier ground.

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    Elevation 640 m

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    Wednesday 25 March

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    Max wind speed: 34.0 km/h

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    Location: Mawddwy, Gwynedd, North Wales, Wales, United Kingdom

    Frequently Asked Questions

    What is the elevation of Pen yr Allt Uchaf?

    Pen yr Allt Uchaf stands at an elevation of 641 meters (approximately 2,103 feet). It is recognized as a subsidiary summit of Aran Fawddwy within the Snowdonia National Park.

    What are the main landmarks at the summit of Pen yr Allt Uchaf?

    The summit of Pen yr Allt Uchaf is marked by a small cairn. Additionally, you'll find three distinct stones and two fence posts to the southeast of a fence, indicating the highest point.

    Are there any easier routes to reach Pen yr Allt Uchaf, avoiding the steepest sections?

    Yes, while a direct ascent can involve a strenuous slog up steep grass, an easier approach is available. Hikers can follow a good path towards Drysgol and then double back over more manageable terrain to reach Pen yr Allt Uchaf.

    What kind of terrain can hikers expect on the trails to Pen yr Allt Uchaf?

    The terrain around Pen yr Allt Uchaf is characterized by a steep-sided grassy ridge. While the summit area itself is relatively flat, direct ascents can be very steep and grassy, requiring good footing. The area is rugged, typical of the Snowdonia National Park.

    Is Pen yr Allt Uchaf considered a family-friendly destination for walks?

    Given its categorization as a 'challenging' highlight and the presence of steep, grassy ascents, Pen yr Allt Uchaf is generally more suited for experienced hikers. While older, adventurous children might manage, it's not typically recommended for very young families or those seeking easy, flat walks.

    Are dogs allowed on the trails to Pen yr Allt Uchaf?

    Yes, dogs are generally welcome on the trails to Pen yr Allt Uchaf. However, it's crucial to keep them under close control, especially due to livestock grazing in the surrounding areas and for the safety of other hikers and wildlife. Be prepared for rugged terrain that might be challenging for some dogs.

    What are the parking options available for visiting Pen yr Allt Uchaf?

    Specific parking information for Pen yr Allt Uchaf itself is limited, as it's often accessed as part of a longer route within the Aran Fawddwy area. Hikers typically utilize parking facilities near popular starting points for the Aran range, such as those found near Cwm Cywarch. It's advisable to research parking availability for your chosen trailhead.

    Is public transport an option for reaching Pen yr Allt Uchaf?

    Direct public transport to the immediate vicinity of Pen yr Allt Uchaf is very limited. Visitors typically rely on personal vehicles to reach trailheads in the Snowdonia National Park, such as those around Cwm Cywarch. Some bus services might connect larger towns like Bala, but onward travel to the mountain base would likely require a taxi or a long walk.

    What are the best viewpoints from Pen yr Allt Uchaf?

    From the summit of Pen yr Allt Uchaf, hikers are treated to exceptional bird's-eye views of the Cwm Cywarch valley. You can also observe close and dramatic perspectives of the steep south faces of other significant peaks, including Glasgwm, Gwaun y Llwyni, and the impressive Aran Fawddwy itself.

    Are there any cafes, pubs, or accommodation options near Pen yr Allt Uchaf?

    Pen yr Allt Uchaf is located in a remote part of Snowdonia National Park. While there are no direct amenities on the mountain, the nearest towns and villages, such as Bala (Y Bala) or those in the Cwm Cywarch area, offer various cafes, pubs, and accommodation options for visitors.

    What should I wear for a walk to Pen yr Allt Uchaf, considering the weather conditions?

    Given the exposed and challenging nature of Pen yr Allt Uchaf, it's crucial to wear appropriate gear. This includes sturdy hiking boots with good ankle support, layered clothing suitable for varying mountain weather (even in summer), and waterproof and windproof outer layers. Always check the specific weather forecast before your visit, as conditions can change rapidly.

    Other Popular Places to Check Out

    Aran Fawddwy Summit

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