I have always believed that the best holidays begin with a small disaster, and our trip to the Kaerna in Vastra Gotaland did not disappoint. We had been driving up from Gothenburg, full of that peculiar optimism that comes from Swedish motorways and too many petrol station coffees, when I made the executive decision to follow what I confidently called "a scenic shortcut." My partner, who has learned to fear these words, simply gripped the door handle and stared out at the pine trees. Forty minutes later we were bouncing down a gravel track that grew narrower and more resentful with every metre, until finally it deposited us in what appeared to be someone's blueberry farm. A very friendly dog barked at us. No human appeared. I performed a seventeen-point turn while pretending this had all been tremendously amusing.

By the time we reached the actual Kaerna, a traditional wooden cottage sitting among birch trees not far from the coast, I had developed what I can only describe as a profound humility. The owner, a chap called Lars who appeared to be approximately seventy and built entirely from practical competence, watched us unpack with the patient expression of a man who has seen many British people get lost. He handed us the keys and mentioned, almost as an afterthought, that the weather forecast had "changed a bit." I nodded cheerfully. I had packed for warm-weather walking, you see. I had proper hiking boots, breathable shirts, a hat with a proper brim. I was ready for coastal trails and long evenings in the sunshine.

The first morning proved me half right. We set off for a walk along the rocky shoreline near Skarhamn, and for perhaps three hours it was genuinely glorious. The granite glowed pinkish in the sun, the water was that particular Baltic blue that makes you want to learn to sail, and I took approximately forty photographs of the same small island from marginally different angles. We passed other walkers, nodded in that restrained Scandinavian way, and felt terribly pleased with ourselves. I may have remarked, loudly and unwisely, that this was "perfect walking weather."

The weather, apparently, was listening.

By early afternoon the sky had organised itself into something grey and purposeful. The wind arrived from nowhere, carrying a chill that made my breathable shirt feel like a rather poor life choice. We pressed on, because that is what one does, following a trail that Lars had marked on a map with what I now recognise as knowing sympathy. The path climbed over low headlands covered in heather and low juniper, then dropped to shingle beaches where the waves had begun to show actual white horses. My hat, that proper brimmed hat, attempted to depart for Norway. I chased it across wet rocks with a dignity that I am sure the restrained Scandinavian walkers will remember for years.

We made it back to the Kaerna by late afternoon, slightly damp in ways I had not thought possible, to discover that Lars had left a note. "Sauna is hot," it said. Three words. I have never loved three words more.

The cottage itself revealed its proper character that evening. What had seemed a simple wooden cabin in sunshine became something genuinely welcoming as the rain arrived properly, drumming on the roof while we sat with cups of something warm and stared out at the birch trees bending in the wind. The sauna, a small wooden outbuilding that smelled of decades of proper use, became our evening ritual. I had not expected to spend quite so much of a summer holiday deliberately making myself hotter, but the Scandinavians understand something about contrast that we have forgotten.

The following days settled into a rhythm dictated entirely by the weather's mood. We walked when the sun appeared, heading out quickly along coastal paths before the clouds could regroup. We learned to read the sky with a paranoia that felt almost agricultural, setting off with waterproofs strapped to our packs even when the morning looked innocent. One afternoon we covered nearly fifteen kilometres along a trail that wound through pine forest before emerging at a tiny harbour where a woman sold smoked fish from a shed. We ate it sitting on a rock, watching a heron stand motionless in the shallows, and I felt that particular contentment that only comes from having earned your lunch through mild physical suffering.

When the rain came properly, which it did for a full thirty-six hours, we adapted with the flexibility of people who have no alternative. The Kaerna had books we had not packed, a kitchen that encouraged slow cooking, and windows that made even grey weather look like a deliberate aesthetic choice. I spent an afternoon attempting to identify bird calls from a Swedish guidebook, failing comprehensively, and not minding at all. My partner read an entire novel and developed what she called her "sauna schedule," plotting optimal heating times with the seriousness of a train dispatcher.

By our final day, the weather had settled into something ambiguous but walkable. We took one last coastal hike, a shorter loop that Lars recommended with the particular emphasis he used for things he thought we might actually manage. The heather was beginning to turn, the first hint of autumn creeping into the colours, and the wind still carried that Baltic sharpness. I wore my waterproof as a precaution and was genuinely grateful for it. We reached a small cairn at a viewpoint, looked out at the archipelago of islands fading into hazy distance, and stood there without speaking in that way that people do when words would diminish something.

I thought about our arrival, the blueberry farm, my misplaced confidence in shortcuts and weather forecasts. The Kaerna had not been what I expected, but then I had expected something that existed mainly in my imagination. The real thing was better: slightly uncomfortable, occasionally wet, dependent on the kindness of strangers and the wisdom of saunas. We walked back as the light began to soften, already talking about when we might return, and whether next time I might perhaps follow the actual road.