Bethesda was the terminal station of the Bethesda Branch Railway, a train line that operated between this site and Bangor during the late 19th and early 20th century. The old station buildings were demolished in recent years and a medical centre built on site, aptly named 'Yr Hen Orsaf' after it's original use.
The cache should be relatively easy to find. There's no need to unclip anything but keep an eye out for muggles!
About SideTracked Caches
This cache belongs to the SideTracked series. It is not designed to take you to a magical place with a breath taking view. It's a distraction for the weary traveller, but anyone else can go and find it too. More Information can be found at the SideTracked Website