The Tarren Hills

Open dates 2026: Sunday 31st May 2026 Tuesday 25th August 2026 This event is now guaranteed to run! The Tarren Range, sometimes referred to as The Tarren Hills, occupies the upland area between Cadair Idris and the Afon Dyfi (River Dovey). The two high points of Tarren y Gesail (667m) & Tarrenhendre (633m) are actually mountains over 2000ft and are in fact the most southerly mountains in Snowdonia. The terrain, the outlook and the unheard nature of the Tarren Range, makes for a superb day of exploration. This guided walk begins in Corris Uchaf, less than a 5 minute drive from the idyllic village of Corris itself, surrounded by steep-sided forested hills. With a good mixture of mountain walking & forestry tracks, we take in a circuit of approximately 20km with 1000-1400 metres of ascent depending on whether we include the additional & optional summit of Graig Goch (586m). The Tarren Range really is a special place to explore and sees very few visitors. The view from the high tops is unique, not even 10km north is a close-up view of Cadair Idris, yet to the south & east the ground drops away with a higher mountain not seen apart from the bulk of Mid Wales' Pumlumon on a fine day. The hills & mountains of the Tarren are fairly accessible due to the logging roads in the plantations, yet when you rise above the forests there is a big feeling of remoteness and solitude. The summits themselves are linked together by a series of sweeping grassy ridges and the best part is that all of this is hidden from below due to the steep & forested topography of the valleys - hidden in plain sight. What's Included: A full day of guided walking from a qualified, experienced & insured mountain leader in a small and personal group. Opportunities to improve your personal mountain skillset. An emphasis on education around the landscape, local knowledge, wildlife & more. Advice regarding local travel & accommodation. Required Experience: This day has the potential to be fairly strenuous if the full set of summits are attempted. You should be comfortable on hill/mountain terrain plus experience of walking 15km in a day. Please get in contact if you'd like to discuss the suitability of this route. Individual bookings: Spaces are £75 per person and the full balance is payable at the time of booking. Private bookings: Head to 'Bespoke Private Guiding' to check availability & book, prices start from £225, or feel free to get in contact for a custom itinerary.