I’d barely got the car off the A470 when the satnav decided to reroute me down a single-track lane that looked more like a sheep trail than a road. The hedge scratched the passenger door like it was checking for paintwork, and I ended up reversing into someone’s gateway twice before I spotted the wooden sign for The Lodge. By the time I pulled up, the sky had already gone from bright to brooding in the space of ten minutes.

The cottage sat at the end of a short gravel drive, tucked between two rows of conifers that swayed like they were trying to wave me back out again. I grabbed my bag, ducked under the porch, and fumbled with the key safe while fat drops began to land on the slate roof. Inside it smelled of woodsmoke and damp wool, which felt oddly welcoming after the drive. I dropped my things, made a quick cup of tea in the little galley kitchen, and stood at the window watching the valley fill with mist.

The plan for that first afternoon had been a short loop from the lane behind the house up towards the ridge that locals call the Taff Trail spur. I laced my boots, zipped my coat to the chin, and set off just as the rain decided it was serious. Within half an hour the path had turned into a stream and my waterproof trousers were making embarrassing noises with every step. I turned back after twenty minutes, laughing at myself for thinking a light shower in the Brecon Beacons would ever stay light.

The next morning dawned clearer, so I tried again, this time aiming for the forestry tracks that run behind Merthyr. The air smelled of pine and wet earth, and for the first mile the only sounds were my boots on gravel and the occasional bleat from a distant field. Halfway up the slope the clouds regrouped and the wind picked up, sending cold needles of rain across my face. I sheltered under a stand of larches, ate a squashed flapjack from my pocket, and watched the valley below disappear behind a moving curtain of grey. When it eased I carried on to the top, rewarded with a brief window of sunlight that turned the reservoir below into a sheet of hammered silver before the next bank rolled in.

By the third day I’d accepted that the weather wasn’t going to behave like a brochure. I set out later, hoping the afternoon lull would hold, and followed the old railway path that hugs the river. It was quieter than I expected; just the rush of water and the occasional cyclist in fluorescent yellow. I stopped on a little stone bridge, leaned on the parapet, and let the drizzle settle on my jacket while I thought about how often I book these short breaks expecting perfect conditions and then spend the whole time negotiating with the sky instead. There’s something oddly grounding about it, though. The hills don’t care whether you’ve checked the forecast; they just keep offering the same paths, and you either turn around or keep walking through whatever arrives.

Back at The Lodge that evening the fire had already been lit by the owner’s timer switch, and I sat with a mug of soup listening to the rain drum on the roof. The windows were steamed from the warmth inside, blurring the dark shapes of the trees outside. I realised I hadn’t taken a single photo the whole trip; every time I reached for my phone the view had already changed or my fingers were too cold. It felt like the right kind of failure.