Probably built by Llywelyn ab Iorwerth ('the Great') early in the thirteenth century, the castle is dominated by a massive round-towered keep, still standing up to 50 feet (15.2m) high.
Current times and prices
1 April 2015 - 31 March 2016
Daily 10.00am - 4.00pm
Last admission 30 minutes before closing
Closed 24, 25, 26 December and 1 January
View all opening times and prices
Facilities and information
- Under 16s must be accompanied by an adult
- Dogs on leads welcome
- No smoking
Postcode LL55 4UB
Road 1/2m (0.8km) SE of Llanberis, on A4086
Rail Bangor 9m (14.5km).
For further information, please contact: Traveline Cymru on 0871 200 2233 or National Rail Enquiries on 08457 48 49 50.