The Sunnyside is located in Llandudno, North Wales, half a mile from the sea, one mile from central Llandudno, and two miles from Snowdonia National Park. Hotel Features. The Sunnyside is a hotel situated on the outskirts of Llandudno with views over the hills to Llandudno pier and promenade. Housed in a pretty Victorian building, there is a gravelled front garden with benches for sitting. The hotel has a 24 hour front desk and wireless Internet access (surcharge). It is a smoke free property.