One NK is a state of the art facility in North Hykeham near Lincoln. We have a fully equipped gym, superb swimming pools, an extensive range of fitness classes and a large sports hall! The Main Pool is the perfect place to get a fresh start to you day with an early swim, and you can follow it up with a brew from our convenient Coffee Corner. Looking for something fun to do with the Kids? Our Learner pool is a great place for them to use up all those spare beans. Or if you are just looking for a new fitness routine, One NK has the membership for you.