Katmai National Park & Preserve · National Park Service
Is the Ursack Major legal in Katmai National Park & Preserve?
Not legal
No. The Ursack Major is a soft-sided bag, and Katmai National Park & Preserve requires a hard-sided or rigid container.
Bear-resistant food container mandatory; IGBC or ADFG-approved; soft-sided cannot substitute. IGBC-certified but soft-sided; this area requires a hard-sided container.
Heads-up before you rely on this
- Source page dated 2022-10-14. The official page we rely on shows a date of 2022-10-14. Land managers may have changed the rule since then, so treat this page as a starting point and re-check the source.
- Partly verified. Some part of this rule (a date, a boundary, a list or a wording detail) is not fully confirmed from official text. See the notes below for what is missing.
Verify with the land manager before you go. This pair carries open questions, listed above, and rules change.
What this means
This area accepts IGBC-certified hard-sided containers. Soft-sided bags do not qualify here, even when they carry IGBC certification.
About this model. Soft-sided; IGBC-certified but not allowed where a hard-sided canister is required (e.g.
The rule in Katmai National Park & Preserve
- Requirement
- Bear-resistant food container mandatory; IGBC or ADFG-approved; soft-sided cannot substitute.
- Accepted
- IGBC or Alaska Dept of Fish & Game list
- Dates
- Per page
- Source updated
- 2022-10-14
- Checked
- 2026-10-26 · partly verified
- Our notes
- ADFG list was not fetched, so non-IGBC canisters are marked verify.
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 Katmai National Park & Preserve
| Canister | Verdict | Weight | Volume |
|---|---|---|---|
| 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 oz | 5 L |
| BearVault BV450 Jaunt | Legal | 2 lb 1 oz | 7.2 L |
| BearVault BV475 Trek | Legal | 2 lb 4 oz | 9.3 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 oz | 6.6 L |
The Ursack Major under nearby rules
- Mount Rainier National Park Hang or use food-storage poles; canister highly recommended in sub-alpine areas, not required. No canister rule
- Big Bend National Park Bear boxes/lockers; a bear-resistant container (300 ft-lb standard) is required only for caching. No canister rule
- Great Smoky Mountains National Park Food must be hung on provided cable systems; canisters not required. No canister rule
- Grand Teton National Park IGBC-approved bear canister required in the backcountry (free loan available). Verify first
- Rocky Mountain National Park Hard-sided, lockable, commercially made canister required for wilderness overnight camping; hanging not permit… Not legal
- Sequoia & Kings Canyon NPs - Pear & Emerald Lakes Canister required in the Pear and Emerald Lakes areas. Not legal
Quick answers
Is the Ursack Major legal in Katmai National Park & Preserve?
No. The Ursack Major is a soft-sided bag, and Katmai National Park & Preserve requires a hard-sided or rigid container. Bear-resistant food container mandatory; IGBC or ADFG-approved; soft-sided cannot substitute. IGBC-certified but soft-sided; this area requires a hard-sided container.
What does Katmai National Park & Preserve require for food storage?
Bear-resistant food container mandatory; IGBC or ADFG-approved; soft-sided cannot substitute. Accepted standard: IGBC or Alaska Dept of Fish & Game list.
How current is this answer?
We checked Katmai National Park & Preserve's official source on 2026-10-26. Source page dated 2022-10-14. Partly verified. 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.