Don't think Bal
Part of that Quarry land is owned by the town of Springfield I believe, there was some talk of putting a playing field up there a while ago but environmental issues need to be addressed. Baltusrol wouldn't care, nobody who belongs there even knows it's up there, I think they are...
I live in Springfield and when forced to ride on the road basically head west into Mountainside trying to loop into the neighborhoods that parallel Mountain Ave. I end up heading up into Watchung reservation to loop back across the top of Baltusrol but you could stay down the hill and make it an...