Grand Teton National Park · National Park Service
Is the Ursack Major legal in Grand Teton National Park?
Verify first
We cannot say yet. The rule or the model mapping is unconfirmed.
IGBC-approved bear canister required in the backcountry (free loan available). IGBC-certified soft-sided bag; the area text says 'canister' - confirm with the land manager.
Heads-up before you rely on this
- 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
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.
About this model. Soft-sided; IGBC-certified but not allowed where a hard-sided canister is required (e.g.
The rule in Grand Teton National Park
- Requirement
- IGBC-approved bear canister required in the backcountry (free loan available).
- Accepted
- IGBC-approved canister
- Dates
- Per page - dates need verification
- Source updated
- 2025-06-13
- Checked
- 2026-10-26 · partly verified
- Our notes
- Seasonality not captured.
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 Grand Teton 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 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
- North Cascades National Park Complex IGBC-approved canister required at nine named camps and in cross-country zones (page says six zones but lists … Verify first
Quick answers
Is the Ursack Major legal in Grand Teton National Park?
We cannot say yet. The rule or the model mapping is unconfirmed. IGBC-approved bear canister required in the backcountry (free loan available). IGBC-certified soft-sided bag; the area text says 'canister' - confirm with the land manager.
What does Grand Teton National Park require for food storage?
IGBC-approved bear canister required in the backcountry (free loan available). Accepted standard: IGBC-approved canister.
How current is this answer?
We checked Grand Teton National Park's official source on 2026-10-26. 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.