Youth Group Camping Youth Group reservations for Greenfield, Monadnock, Moose Brook, Pawtuckaway, Pillsbury and White Lake State Parks are made through ReserveAmerica by calling 1-877-647-2757. All other youth group reservations are made by calling 603-271-3556 from 9:00 am to 4:00 pm Monday through Friday. Youth group reservations will be required to pay a non-refundable $8.75 reservation fee. The 9% Rooms and Meals tax is applied to Youth Group reservations. A $25 deposit will be required at time of placing a reservation. All additional fees will be collected at the park except for remote sites. All remote Youth Group campers at Umbagog must pay in advance. Youth groups must camp in tents only and must maintain 1 adult for every 4 children. Please ask for our youth group camping brochure for a complete list of all the youth group camping policies. The cancellation policy applies to youth group camping.