Custer Gallatin NF · US Forest Service

Is the Ursack Major legal in Custer Gallatin NF?

Allowed, not required Canister not required Checked 2026-10-26

Allowed, not required

Allowed, but Custer Gallatin NF does not require a canister.

IGBC list or courtesy inspection container, or a hang. If you choose to carry the Ursack Major, it would be accepted. IGBC-certified. Soft-sided: follow manufacturer tie-off instructions.

Heads-up before you rely on this

  • Order period ends 2026-12-01. The source gives an end date of 2026-12-01, 36 days after we checked. Renewal status is not confirmed. These orders are usually renewed, but confirm the current order before you go.
  • Source page shows no date. The official page does not show a "last updated" date we could capture. We record the day we read it instead.

Verify with the land manager before you go. This pair carries open questions, listed above, and rules change.

What this means

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.

Reading note. Custer Gallatin NF does not require a canister. The verdict describes whether this model would count as an accepted container if you choose to use one as your food storage.

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

The rule in Custer Gallatin NF

Requirement
IGBC list or courtesy inspection container, or a hang.
Accepted
IGBC list or courtesy inspection
Dates
2026-03-01 to 2026-12-01
Source updated
alert page (date not captured)
Checked
2026-10-26 · verified

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 Custer Gallatin NF

Other canisters and their verdict here
CanisterVerdictWeightVolume
BearVault BV ONE Adjustable Allowed, not required 1 lb 15 oz (895 g)8.3 expanded / 4.65 collapsed L
BearVault BV425 Sprint Allowed, not required 1 lb 12 oz5 L
BearVault BV450 Jaunt Allowed, not required 2 lb 1 oz7.2 L
BearVault BV475 Trek Allowed, not required 2 lb 4 oz9.3 L
BearVault BV500 Journey Allowed, not required 2 lb 9 oz (1.16 kg)11.5 L
Grub Can Wave 6.6 L Allowed, not required 1 lb 15 oz6.6 L

The Ursack Major under nearby rules

Quick answers

Is the Ursack Major legal in Custer Gallatin NF?

Allowed, but Custer Gallatin NF does not require a canister. IGBC list or courtesy inspection container, or a hang. If you choose to carry the Ursack Major, it would be accepted. IGBC-certified. Soft-sided: follow manufacturer tie-off instructions.

What does Custer Gallatin NF require for food storage?

IGBC list or courtesy inspection container, or a hang. Accepted standard: IGBC list or courtesy inspection.

How current is this answer?

We checked Custer Gallatin NF's official source on 2026-10-26. Order period ends 2026-12-01. Source page shows no date. 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.