I finally made it to Puffin Lodge after a bit of a faff on the drive down from the M4. I'd taken a wrong turn somewhere near Narberth – nothing major, just me missing a faded signpost and ending up on a single-track lane that seemed to loop back on itself like a bad joke. Fifteen minutes of reversing past bemused sheep later, I was back on track, chuckling at my own daftness. But honestly, that little detour set the tone for the whole trip: Pembrokeshire's magic lies in getting lost, and Puffin Lodge turned out to be the perfect base for stumbling on its hidden gems.

Pulling up to the lodge late afternoon on that first day, I was knackered but buzzing. Tucked away in a quiet spot just outside Haverfordwest, it's one of those cosy stone cottages that screams "proper Welsh getaway" – all low beams, a cracking wood burner, and sea views peeking through the windows if you crane your neck right. The owner had left fresh milk and biccies on the kitchen table, which felt like a proper welcome. I dumped my bags, cracked open a tin of Welsh cakes I'd nabbed from a service station, and just breathed it in. No traffic hum, just the distant bleat of lambs and a breeze rustling the hedges. First impressions? Blissful isolation, the kind that makes you forget your inbox exists.

Keen to shake off the drive, I laced up my boots and headed out for a wander, no map, no plan – just following my nose down the unmarked lanes snaking from the lodge. Within ten minutes, I'd veered off the tarmac onto a footpath that wasn't on any app I'd checked. It led me to this tucked-away cove I'd never heard of, a pebbly beach hemmed in by jagged cliffs, where the sea was doing that mesmerising Pembrokeshire thing of crashing in turquoise waves. No crowds, no ice cream vans – just me, a couple of seals barking in the distance, and a thermos of tea from the lodge's kettle. I sat on a rock, feet dangling over the edge, and thought, "This is why we come here." Pure accident, total gem.

The next morning, day two dawned misty, so I pottered about the lodge garden first – it's got this wild, untamed feel with herbs gone feral and a bench overlooking a valley that drops away sharp. Fuelled by the full Welsh breakfast I'd rustled up (bacon from the local butcher the owner recommended, natch), I struck out again, letting whimsy guide me. A "private road" sign caught my eye – probably meant "keep out," but where's the fun in that? It spat me out at an old mill by a babbling brook, the sort of spot time forgot. Waterwheel creaking lazily, wild garlic thick underfoot, and not a soul around. I foraged a handful (washed it properly back at the lodge, mind), and it ended up jazzing up my pasta that night. Laughing to myself, I realised I'd spent half an hour chatting to a robin that hopped closer than any tourist bird would dare.

By day three, I was hooked on the thrill of the unplanned. A wrong turn from the lodge – again! – down a hedgerow-choked track revealed a hidden headland path with views over the Daugleddau estuary that stopped me in my tracks. Gorse buzzing with bees, skylarks overhead, and down below, a secluded pebble beach you could only reach by scrambling. I picnicked there with cheese sarnies from the lodge's well-stocked fridge, watching puffins (real ones, I swear!) darting offshore. No signs, no car park – just serendipity.

Looking back over those three days, pottering from Puffin Lodge and letting the lanes lead me astray was the best bit. In a world that's all sat-nav and Instagram spots, there's something profoundly daft and restorative about embracing the lost. I drove home lighter, already plotting the next accidental adventure. If you're after Pembrokeshire's real soul, skip the guidebooks – just turn up, get muddled, and let the hidden bits find you.