Sign up for our newsletter and be in the know about our grooming updates, seasonal rentals, closings/delays, Maine Outdoor Education Program opportunities, and general updates! Email (required) *First Name (required) *Last Name (required) *Select list(s) to subscribe toGeneral Interest Example: Yes, I would like to receive emails from Penobscot River Trails, Grindstone, Maine. (You can unsubscribe anytime)Constant Contact Use. Please leave this field blank.By submitting this form, you are consenting to receive marketing emails from: Penobscot River Trails, 2540 Grindstone Road , Stacyville , ME, 04460. You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact