Allenstown, New Hampshire August 15, 2022 by RV Dumps Bear Brook State Park, 157 Deerfield Rd, Allenstown NH 03461 / 603-485-9869. $20 or less. Last updated: 10/25/2019
Sorry, that comment was for the Allenstown Wastewater plant, not Bear Brook..
Note that you have to bring the RV, transfer tanks are not accepted.