Twmpa (Lord Hereford's Knob)
690m (2264ft)
The Black Mountains, The Brecon Beacons, Powys, Wales
Twmpa (Lord Hereford's Knob) means 'Mound' in Welsh and is pronounced 'too-mp-a'.
The summit of Twmpa (Lord Hereford's Knob) is marked by a cairn.
You can find Twmpa (Lord Hereford's Knob) & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps: (click/TAP to select)
1:25,000 scale OS Explorer Map (the ones with orange/yellow covers):
1:50,000 scale OS Landranger Map (the ones with pink/magenta covers):
See Twmpa (Lord Hereford's Knob) and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:
See Twmpa (Lord Hereford's Knob) and the surrounding tops on our downloadable PDF Peak Bagging Map:
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Vital Statistics:
| Length: | 6ml (9.5km) |
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| Ascent: | 1,555ft (474m) |
| Time: | 3.75hrs |
| Grade: |  (Moderate) |
Route Summary:
Pen yBeaconStone Circle - Hay Bluff - Gospel Pass - Twmpa (Lord Hereford's Knob) - Rhiw Wen - Pen yBeaconStone Circle.
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Vital Statistics:
| Length: | 7.75ml (12.5km) |
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| Ascent: | 1,942ft (592m) |
| Time: | 4.75hrs |
| Grade: |  (Moderate) |
Route Summary:
Pen y Beacon Stone Circle - The Offa's Dyke Path - Hay Bluff - Fynnon y Parc - Gospel Pass - Twmpa (Lord Hereford's Knob) - Rhiw y Fan - Rhos Dirion - Rhiw Wen - Caemarchog - Three Rivers Ride - Pen y Beacon Stone Circle
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Vital Statistics:
| Length: | 10ml (16km) |
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| Ascent: | 2,050ft (625m) |
| Time: | 5½ hrs |
| Grade: |  (Moderate) |
Route Summary:
Capel-y-ffin - The Offa's Dyke Path - Black Mountain (South Top) - Black Mountain - Hay Bluff - Gospel Pass - Twmpa (Lord Hereford's Knob) - Darren Lwyd - Capel-y-ffin
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Vital Statistics:
| Length: | 10.25ml (16.5km) |
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| Ascent: | 2,093ft (638m) |
| Time: | 5.75hrs |
| Grade: | (Moderate) |
Route Summary:
Capel-y-ffin - Chwarel y Fan - Blacksmith's Anvil (stone) Twyn Talycefn - Rhos Dirion - Rhiw y Fan - Twmpa (Lord Hereford's Knob) - Darren Lwyd - Capel-y-ffin
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Vital Statistics:
| Length: | 14ml (22.5km) |
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| Ascent: | 2,808ft (856m) |
| Time: | 8 hrs |
| Grade: |  (Hard) |
Route Summary:
Capel-y-ffin - The Offa's Dyke Path - Black Mountain (South Top) - Black Mountain - Hay Bluff - Gospel Pass - Twmpa (Lord Hereford's Knob) - Rhiw y Fan - Rhos Dirion - Twyn Talycefn - Blacksmith's Anvil - Chwarel y Fan - Capel-y-ffin
Fellow go4awalkers who have already walked, climbed, summited & bagged Twmpa (Lord Hereford's Knob)
Melfyn Parry walked up Twmpa (Lord Hereford's Knob) on April 9th, 2025 [from/via/route] Started walk from minor road at Capel y Ffin, followed route as described on PO116 Routs ascends to summit of Black Mountain (south top) which is also on the Offa's Dyke Path, then continues to Black Mountain. Path drops down before gently climbing to Hay Bluff & then a lovely walk along the ridge to drop down to Gospel Pass. Cross the road & continue on to Twmpa (here by lunchtime). Easy walking over to Rhos Dirion before turning sharp left to walk a long way to Chwarel y Fan. [with] On my own [weather] It was a lovely day. Breezy & cool at times & mostly sunny. - Excellent views in all directions. Lots of people around Hay Bluff & Twmpa but otherwise had the hills to myself.
Paul Roddam climbed Twmpa (Lord Hereford's Knob) on January 14th, 2024 [from/via/route] Hay Bluff car park [with] Mig [weather] Sunny!
Donovan Suddell bagged Twmpa (Lord Hereford's Knob) on April 23rd, 2023 [from/via/route] Gospel Pass [with] Wife [weather] Sunny until 16:00 then cloudy, rain at the very end - Very long circuit including traversing two steep valleys
Mark Davidson hiked Twmpa (Lord Hereford's Knob) on July 14th, 2003 [from/via/route] Walk po116 Black Mountain & Rhos Dirion from Capel-y-ffin [with] Theresa [weather] Warm & sunny - really good walking weather
Sion Britton summited Twmpa (Lord Hereford's Knob) on December 19th, 2021 [from/via/route] O Maes Parcio Gospel Pass. [with] Solo [weather] Clir/ Oer
Chris Hughes conquered Twmpa (Lord Hereford's Knob) on May 1st, 2021 [from/via/route] Gospel pass [weather] Sunny
Tom Bond scaled Twmpa (Lord Hereford's Knob) on May 1st, 2021 [from/via/route] Circular route from Blaen-y-Cwm car park. [with] Scott Gibbons - First wild camp & maiden voyage of MSR Elixir 2.
Dale Tyler walked up Twmpa (Lord Hereford's Knob) on June 10th, 2018 [from/via/route] Easy stroll up from the car park at Gospel Pass [with] Sarah [weather] Lovely summers day - Treewok & pork chops!
Bleddyn Rhys climbed Twmpa (Lord Hereford's Knob) on May 13th, 2017 [from/via/route] Cylch sydyn o Gapel y Ffin i Chwarel y Fan a Twmpa. [with] ar ben fy hyn eto! [weather] Diwrnod braf gyda chydig o wynt. - Charity event ymlaen ryn diwrnod felly lot fawr o bobol ar ben Twmpa. Peint wedyn yn yr hen abaty!
Robert Shaw bagged Twmpa (Lord Hereford's Knob) on May 13th, 2017 [from/via/route] From Llanthony whilst doing the Black Mountain Challenge. [with] Alcester Gents Sports Club [weather] Wet & misty
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