Same experience Hardy. Very challenging to reserve online for Many Glacier this year since there is NO first served due to road construction. Looking for other sites... Mitch

Hello Hardy. Last summer my husband and I drove to the Many Glacier campground without a reservation, just hoping one would be available. We we lucky that one site in the “Rerserved” section had vacated a day early for just one night (otherwise we would find something outside the park). The key was my husband got up at 3:30am the next morning to park (and sit in) our vehicle, he was 2nd in line, to wait for the rangers to come by at 7:30am to assign a campsite for those waiting in line for a “First Come - First served” camp sight which we then enjoyed for the next week. We got an AMAZING site that way! If you only wait to reserve, you have to book a site farther in advance. This method works though and it was worth the trouble. Good luck!