Some is Canton Land Trust property, and some will be in the distant future. Explore
my interactive map here. The No Trespassing signs probably mark the "Perry Remainder" properties (shown in brown), the life estate to which belong to Lans Perry and his siblings. I'm inclined to think Lans would not grant permission for orienteering.
Charlie: what do think of asking Eleanor about including her horse farm in a Sun Wind & Woodland to Mary Conklin Sanctuary playground for orienteering? Nice contiguous area with some interesting topography and features.