Deep rhythmic rumblings reverberate around the farmyard. Astonishingly loud yet – so soporific. I’ve never heard a pig snoring before. Save for birdsong and hen-cluck, it is the only audible noise and holds me captive. The isolation of a simple, primitive sound is so rare now, it surprises and soothes. But tranquillity is normal here – where light, and sound, and materials are natural.

Welcome to Llanerchaeron. In a wooded valley through which Afon Aeron bubbles, this National Trust estate includes meadows, a lake, a walled garden (representing 200 years of herb, vegetable and fruit production), a farmyard, and a collection of agricultural machinery. Whenever I visit, peace settles within me. As if technical stress is left at the gate.

Read more in the September 2022 edition of BBC Countryfile Magazine