i just signed up to apk in order to help get my youngest trained. i see there are many of us looking for a place to train and/or lessons. gym-ken gymnastics in windham has "Open Parkour night. it is held every tuesday thursday from 8:30pm-10:30pm. $20 for 2 hours of open gym." i believe they have lessons for also for those that are looking for tips.
qouted from the the web site directlly' "Gym-Ken offers gymnastics equipment including a foam pit, trampolines, tumble trak, spring floor, mats of various shapes and sizes, bars, rings, vaulting apparatuses and more!"
this is thier site http://www.gymkengymnastics.com/
they have a link on the left for parour