Glacier Bay National Park and Preserve is open year-around, but services in winter are extremely limited. Operating Hours & Seasons - Glacier Bay National Park & Preserve (U.S. National Park Service) Open daily from late May to early September. Exhibits open daily 6 am to 11 pm. Information desk and Alaska Geographic bookstore open daily 10:30 am to 4 pm and 5 pm to 6:15 pm. (907) 697-2661. (907) 697-2230. Check on the current schedule for daily ranger-naturalist activities.
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