Best time to go
Daylight after a dry spell gives firmer ground underfoot and clearer views to the fells. Early or late daylight can give better light and sometimes easier parking, though that is never guaranteed.

Sight · Yorkshire Dales National Park
Ruined Clifford stronghold beside the young River Eden in Mallerstang
Overview
A historic castle ruin standing in open ground in the Mallerstang valley, with the young River Eden nearby and Wild Boar Fell and Mallerstang Edge rising around it. It is a scheduled monument, and the setting does as much work as the stonework: broken walls, big fells, and a valley road running past.
Parkwolf’s verdictWhy stopMap
Plan your stop

The highest, rockiest slopes around here are a summer buffet for grizzly bears.
Yorkshire Dales Tour Guide
Parkwolf is a GPS audio tour guide for Yorkshire Dales National Park. As you drive, it chimes in with what’s ahead: hidden gems, upcoming stops, history, geology, and wildlife, right through your car’s speakers.
Recorded for this place
Pendragon Castle in Mallerstang“You're approaching Pendragon Castle, a broken stone stronghold in Mallerstang with the young River Eden and Wild Boar Fell nearby.”
Plays as you drive up to Pendragon Castle in the Parkwolf Yorkshire Dales Tour Guide.
More stories near here in the app
Guide
The remains are fragile and potentially dangerous, so keep to the ground around them rather than the fabric itself.
The Arthurian association is local legend rather than established history, and there is no evidence of a castle here before the 12th century. The first recorded fortification was an early-12th-century ringwork, with a stone tower added later. Sir Hugh de Morville was a notable owner. Scots attacked and burned it in 1341, and Roger de Clifford restored it in the 1360s. John Leland found it in use in 1539, but by 1541 it was falling into disrepair. Lady Anne Clifford rebuilt it after 1660, adding a brewhouse, bakery, stables and coach house. After her death in 1676 it was neglected, and it was later stripped for building materials.
Footwear you do not mind getting wet, since the ground is grassy, uneven and often damp or muddy. Bring your own water and food, and take litter away with you: no toilets, water, food, bins or visitor centre are provided here. Keep dogs close or on a lead as a livestock precaution.
The visit itself is brief and entirely outdoors, with nothing in the way of facilities and very tight parking. Longer walks on Wild Boar Fell or along Mallerstang Edge are separate outings that need their own planning.
Wildlife
10 sightingsEurasian OtterMost seen around 7 PMSighting map
11 sightingsAtlantic SalmonMost seen around 7 AMSighting map
12 sightingsShort-eared OwlMost seen around 7 PMSighting map
22 sightingsWestern Barn OwlMost seen around 6 AMSighting map
27 sightingsTawny OwlMost seen around 7 PMSighting map
34 sightingsCommon KingfisherMost seen around 7 AMSighting mapSighting maps show where each species has been reported across Yorkshire Dales. Wildlife moves, so no sighting is guaranteed.
Keep exploring
ChallengingWild Boar Fell16.1 km · 5 hr · 2.2 km awayAiry 708 m plateau above Mallerstang, hidden tarn, waterfall finish
ModerateMallerstang Edge and High Seat Circular11.5 km · 4.5 hr · 3.5 km awayOpen-moor climb to a broad escarpment, then a steep pathless gill descent
ModerateSmardale Gill Walk10.9 km · 4.5 hr · 6.1 km awayA 14-arch viaduct, beckside pasture and open fell in one figure-of-eightParkwolf’s Yorkshire Dales ranking