Glacier National Park · National Park Service

Is the Ursack Major legal in Glacier National Park?

Legal Canister required in parts Checked 2026-10-26

Legal

Yes, as an IGBC-certified bag, with tie-off rules.

Backcountry food may be hung, kept in a designated NPS locker/hanging device, or secured in an IGBC-approved bear-resistant container. IGBC container required at undesignated campsites near or above treeline. IGBC-certified. Soft-sided: follow manufacturer tie-off instructions.

Heads-up before you rely on this

    Rules change. Confirm with the land manager (links below) before you go.

    What this means

    Soft-sided bags work only if you follow the manufacturer's tie-off instructions, and the Glacier National Park text does not make an exception for terrain with no trees.

    This area accepts containers certified by the Interagency Grizzly Bear Committee (IGBC). Check the IGBC certified products list, not the brand's marketing, to see whether a model qualifies.

    About this model. Soft-sided; IGBC-certified but not allowed where a hard-sided canister is required (e.g.

    The rule in Glacier National Park

    Requirement
    Backcountry food may be hung, kept in a designated NPS locker/hanging device, or secured in an IGBC-approved bear-resistant container. IGBC container required at undesignated campsites near or above treeline.
    Accepted
    IGBC-approved bear resistant container
    Dates
    Mar 16 - Nov 30 (compendium)
    Source updated
    2026-07-30
    Checked
    2026-10-26 · verified
    Our notes
    Compendium text read directly; canister is not required park-wide.

    About the Ursack Major

    Volume
    10.65 L
    Weight
    7.6 oz
    Material
    UHMWPE/Spectra fabric
    IGBC certified
    Yes (cert. 3738)
    On Yosemite / SEKI list
    No
    On Olympic list
    No
    Spec source
    search summary of ursack.com pages

    Specs come from the sources named in "Spec source" and many are incomplete. See every area where the Ursack Major is accepted or not →

    What else works in Glacier National Park

    Other canisters and their verdict here
    CanisterVerdictWeightVolume
    BearVault BV ONE Adjustable Legal 1 lb 15 oz (895 g)8.3 expanded / 4.65 collapsed L
    BearVault BV425 Sprint Legal 1 lb 12 oz5 L
    BearVault BV450 Jaunt Legal 2 lb 1 oz7.2 L
    BearVault BV475 Trek Legal 2 lb 4 oz9.3 L
    BearVault BV500 Journey Legal 2 lb 9 oz (1.16 kg)11.5 L
    Grub Can Wave 6.6 L Legal 1 lb 15 oz6.6 L

    The Ursack Major under nearby rules

    Quick answers

    Is the Ursack Major legal in Glacier National Park?

    Yes, as an IGBC-certified bag, with tie-off rules. Backcountry food may be hung, kept in a designated NPS locker/hanging device, or secured in an IGBC-approved bear-resistant container. IGBC container required at undesignated campsites near or above treeline. IGBC-certified. Soft-sided: follow manufacturer tie-off instructions.

    What does Glacier National Park require for food storage?

    Backcountry food may be hung, kept in a designated NPS locker/hanging device, or secured in an IGBC-approved bear-resistant container. IGBC container required at undesignated campsites near or above treeline. Accepted standard: IGBC-approved bear resistant container.

    How current is this answer?

    We checked Glacier National Park's official source on 2026-10-26. Rules change, so confirm with the land manager before you go.

    Sources and date checked

    Checked . We link the official pages so you can read the rule yourself.