Phoenix Trail (Princes Risborough to Thame) - Sustrans.org.ukThe Phoenix Trail (Princes Risborough to Thame) is a 7.5-mile route on the National Cycle Network, connecting Princes Risborough to Thame.routeShare this page This route is on the National Cycle Network. The Phoenix Trail has something to suit everyone. It’s a traffic-free cycle ride between Princes Risborough and Thame. It's a tranquil path to amble along with your dog on a summer's evening. https://www.sustrans.org.uk/ncn/map/route/phoenix-trail-princes-risborough-to-thame