Capel Celyn Memorial Chapel is a Grade II* listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 1 August 2019. Memorial chapel.
Capel Celyn Memorial Chapel
- WRENN ID
- sheer-gallery-hyssop
- Grade
- II*
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 August 2019
- Type
- Memorial chapel
- Address
- Capel Celyn Memorial Chapel, Llyn Celyn, Llandderfel, Gwynedd
- OS grid reference
- SH 848 413
- Coordinates
- 52.95698, -3.71587
- Source
- Cadw listing
Description
Capel Celyn Memorial Chapel is a Grade II* listed building constructed from local rubble stone, featuring some dressed Arenig granite blocks, and topped with a monopitch Blaenau Ffestiniog slate roof. The chapel has a simple geometric design, with walls that rise from the low entrance front overlooking the lake to a curved end with a high parapet. This end wraps around an angled full-height glazed panel that illuminates memorial stones inside, facing the site of the original chapel in the lost village of Capel Celyn. A small cross is positioned at one end of the high curving wall. The side walls step down at their lower end and enclose a terraced area that overlooks the lake. From this terrace, steps lead down to a slate path that encircles the chapel, bordered by a rubble retaining wall leading to the garden of remembrance above. The terrace is paved with riven slate, continuing the flooring from inside the chapel, and a further flight of steps descends to the lake shore.
Inside, the chapel features a simple design with bare stone walls, a slate slab floor, and exposed stained roof timbers. There are two steps leading up to the curved end, where three finely lettered Aberllefenni slates, inscribed by R.L. Gapper, commemorate those buried at the original chapel, as well as the names of individuals re-buried at Llanycil and Trawsfynydd, and two men who lost their lives in the Second World War and were buried overseas. Additionally, there is a line from the poem Y Diwygiwr by Ben Bowen (1878-1903), whose poem ‘Pantycelyn’ won second prize at the Liverpool National Eisteddfod in 1900: ‘Yn dwfn swyn ei fynwes o/caf lonydd caf le i huno’.
Local climate
Capel Celyn Memorial Chapel sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 29 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
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- Detailed attributes — period, style, materials, features
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