Grand Encampment Museum opens for season Summer hours: Tuesday through Saturday 9am to 5 pm Sunday 12p to 4pm (Closed Mondays but will be open Memorial Day) Grand Encampment Museum opens for sea... Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Date and Time Friday May 25, 2018 Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Share × Print Email Add to Calendar Facebook Twitter LinkedIn Tell a Friend × Select Calendar Type × Google Yahoo iCal (Outlook, Apple, or other)