Conwy Valley & Betws-y-Coed

The Conwy Valley run from walled Conwy to Betws-y-Coed compresses Eryri’s gentler face into about thirty-five kilometres of oak woodland, river meadows and waterfall spray — a single-day drive that punches above its distance. Conwy Castle, another of Edward I’s UNESCO fortresses, anchors the start: massive towers and intact town walls enclose a harbour where mussels are still harvested from the estuary. The B5106 and A470 then follow the River Conwy upstream through a glacial valley that narrows toward Betws-y-Coed, the Victorian mountain-gateway village where tourists first discovered North Wales as a wilderness destination.

Swallow Falls on the River Llugwy is the valley’s most photographed cascade — a tiered tumble through oak and slate that has drawn visitors since the railway arrived in the 1860s. The viewing area crowds by mid-morning in summer; an early arrival or late-afternoon stop after coach parties leave makes a real difference. Ty Mawr Wybrnant, a stone farmhouse in a side valley, was the birthplace of Bishop William Morgan, who translated the Bible into Welsh in 1588 and helped standardise the modern language; the National Trust property opens seasonally and rewards a short detour off the main valley road.

Betws-y-Coed sits at the confluence of rivers beneath Gwydyr Forest, with Pont-y-Pair spanning a rocky gorge where the Llugwy churns through bedrock potholes. Midweek mornings stay quieter than bank-holiday weekends. Before leaving the coast, photograph Telford’s Conwy Suspension Bridge and the parallel Victorian railway bridge beside the castle.

Classic and low-power campervans handle the valley comfortably — gradients are moderate compared with Llanberis or the A4069 — but Conwy’s medieval streets and Betws-y-Coed’s central car parks are tight. Use Morfa Bach pay-and-display on Conwy’s outskirts and larger parking near Betws-y-Coed station rather than forcing the castle gatehouse lane. Overnight at campsites such as those near Swallow Falls; wild camping without landowner permission is generally illegal in Eryri. May brings rhododendrons in Gwydyr Forest; autumn rain swells Swallow Falls. Avoid August bank holidays when the A470 queues with Llandudno day-trippers. Use this valley as a recovery day between steeper Eryri passes or as a gentle introduction before Llanberis. Conwy Castle and the town walls deserve a proper Cadw visit — allow two hours on foot, then reclaim the van at Morfa Bach rather than hunting scarce spaces inside the walls. Swallow Falls has an entry charge for the main viewing platforms; budget a short stop and continue to quieter riverside walks around Betws-y-Coed if queues build. The Conwy Valley railway runs parallel for much of the route and makes a pleasant car-free half-day if you want to rest the engine. Classic and low-power campervans should still watch village speed limits and stone bridge approaches. Pair overnight near Betws-y-Coed with the next day’s Snowdonia loop for a coherent North Wales chapter without rushing both into one exhausted afternoon.

May rhododendrons in Gwydyr Forest and autumn rain that swells Swallow Falls bookend the best months; midweek visits dodge the worst coach traffic from Llandudno. Keep the day simple: castle walls, one waterfall stop, riverside tea in Betws-y-Coed — that is enough for a classic campervan crew that still has mountain passes ahead.