Olympic National Park · National Park Service
Is the Ursack Major legal in Olympic National Park?
Not legal
No. The Ursack Major is not on Olympic's own container list.
Approved Food Storage Container (ARFC) required in all park wilderness areas; only containers on Olympic's list are permitted. Not on Olympic's list; the park permits only listed containers.
Heads-up before you rely on this
Rules change. Confirm with the land manager (links below) before you go.
What this means
Olympic National Park keeps its own list of Approved Food Storage Containers. Only containers on that list are permitted; IGBC certification alone does not qualify a model.
About this model. Soft-sided; IGBC-certified but not allowed where a hard-sided canister is required (e.g.
The rule in Olympic National Park
- Requirement
- Approved Food Storage Container (ARFC) required in all park wilderness areas; only containers on Olympic's list are permitted.
- Accepted
- Olympic's own list (updated 2026-06-25)
- Dates
- Year-round
- Source updated
- 2026-07-07
- Checked
- 2026-10-26 · verified
- Our notes
- Olympic's list also names panniers; those were not mapped in detail (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 Olympic National Park
| 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 Carbon/Kevlar 6.6 L | Legal | 1 lb 12 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 Olympic National Park?
No. The Ursack Major is not on Olympic's own container list. Approved Food Storage Container (ARFC) required in all park wilderness areas; only containers on Olympic's list are permitted. Not on Olympic's list; the park permits only listed containers.
What does Olympic National Park require for food storage?
Approved Food Storage Container (ARFC) required in all park wilderness areas; only containers on Olympic's list are permitted. Accepted standard: Olympic's own list (updated 2026-06-25).
How current is this answer?
We checked Olympic 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.