North Cascades National Park Complex · National Park Service
Is the Ursack Major legal in North Cascades National Park Complex?
Verify first
We cannot say yet. The rule or the model mapping is unconfirmed.
IGBC-approved canister required at nine named camps and in cross-country zones (page says six zones but lists seven). IGBC-certified soft-sided bag; the area text says 'canister' - confirm with the land manager.
Heads-up before you rely on this
Verify with the land manager before you go. This pair carries open questions, listed above, and rules change.
What this means
Do not rely on this page for this pair. Ask the land manager which containers they accept.
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.
Seasonal rule. The requirement applies on the dates in the source: Jun 1 - Nov 15. We do not have a recorded rule for other dates, so check the current page for shoulder-season trips.
About this model. Soft-sided; IGBC-certified but not allowed where a hard-sided canister is required (e.g.
The rule in North Cascades National Park Complex
- Requirement
- IGBC-approved canister required at nine named camps and in cross-country zones (page says six zones but lists seven).
- Accepted
- IGBC-approved canister
- Dates
- Jun 1 - Nov 15
- Source updated
- 2026-04-02
- Checked
- 2026-10-26 · verified
- Our notes
- Camps: Desolation, Fisher, Hooter, Monogram Lake, Pierce Mountain, Sahale Glacier, Sourdough, Thornton Lakes, Thunder Basin. Zones: Boston Basin, Eldorado, Hidden Lake, Sulphide Glacier, Tapto Lakes, Trapper Lake, Terror Basin. Page count discrepancy (six vs seven) needs verification.
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 North Cascades National Park Complex
| 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
- Rocky Mountain National Park Hard-sided, lockable, commercially made canister required for wilderness overnight camping; hanging not permit… Not legal
- Mount Rainier National Park Hang or use food-storage poles; canister highly recommended in sub-alpine areas, not required. No canister rule
- Sequoia & Kings Canyon NPs - Pear & Emerald Lakes Canister required in the Pear and Emerald Lakes areas. Not legal
- Sequoia & Kings Canyon NPs - Rae Lakes Loop Canister required in the Rae Lakes Loop. Not legal
- Grand Teton National Park IGBC-approved bear canister required in the backcountry (free loan available). Verify first
Quick answers
Is the Ursack Major legal in North Cascades National Park Complex?
We cannot say yet. The rule or the model mapping is unconfirmed. IGBC-approved canister required at nine named camps and in cross-country zones (page says six zones but lists seven). IGBC-certified soft-sided bag; the area text says 'canister' - confirm with the land manager.
What does North Cascades National Park Complex require for food storage?
IGBC-approved canister required at nine named camps and in cross-country zones (page says six zones but lists seven). Accepted standard: IGBC-approved canister.
How current is this answer?
We checked North Cascades National Park Complex'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.