There are 2 courses set up using UsynligO - long and score at Webster Park. Both use the same controls. Score O score is the control number. Print a map before you go and make sure your phone is charged!
About UsynligO: UsynligO is a cell phone app that lets you orienteer without flags - it plays a sound when you arrive at a control location and can also provide hints for finding the right location. You do need cell service (or wifi) to download a course so it is a good idea to do this at home before traveling to the venue, but only the GPS is needed to run a course. Bristol Orienteering Klub has a helpful guide for howto get and use UsynligO:
To browse courses or print maps from your computer, go to
There are still courses available at Harriet Hollister, Durand Eastman, Mendon Ponds, Cummings Nature Center and now Webster.