North Bridge
At the Scotsman hotel they have a stainless steel swimming pool. It's not massive but very cool. It's supposed to keep it clean or something. Whatever it does, it feels great, looks amazing and is always spotless. Their spa/gym thing is really dark and looks like something out of a Bond film. If staying at the hotel it's certainly worth checking out. I think the fees are expensive if you're not a guest or member.
The hotel itself is pretty cool. It's in the former headquarters of the The Scotsman newspaper.
www.thescotsmanhotel.co.ukReturn to Edinburgh