Conwy Mountain Hillfort
Photo via Wikimedia Commons — licence & author.
Castell Caer Seion
This is a quick reference, not a full walked guide. The facts below — location, parking, grid reference and access — are maintained from our dataset, but we haven't published our own first-hand write-up of Conwy Mountain Hillfort yet. Know it well? Help us get it right.
Iron Age hut circles and ramparts strung along the crest of Conwy Mountain, with a knockout panorama over Conwy Castle, the estuary and across to Anglesey. It makes a brilliant short evening hike, climbing from Sychnant Pass or from Conwy town and looping the ridge for constant views. Free and open, it offers one of the best effort-to-view ratios on this coast.
Getting there
Conwy Mountain Hillfort is in Conwy, Conwy & the Coast. It's roughly 7 min (1.3 miles) from Conwy , and within reach of Llandudno (11 min) and Penmaenmawr (12 min).
The nearest parking: Sychnant Pass car park (free). Grid reference SH 755 776 — works on any OS map and doesn't need a phone signal.
Good to know
Start from Sychnant Pass or Conwy town; loop the ridge for constant views.
On the map
View Conwy Mountain Hillfort on OpenStreetMap ↗, or open it in the Explore Wales trip planner to add it to a day out with drive times and offline maps.
Staying over?
Conwy is the most impressive castle town in Wales — stay the night and live as a ‘Jackdaw’, inside the medieval walls.
Browse places to stay near Conwy ↗ opens Booking.com — needs signalNearby places
Make Conwy Mountain Hillfort part of a day out
Add it to a trip in the free Explore Wales planner — chained drive times, weather, campsite suggestions, and offline maps for when the signal drops.