Lassen Volcanic National Park · National Park Service

Is the Ursack Major legal in Lassen Volcanic National Park?

Not legal Canister required seasonally Checked 2026-10-26 Partly verified

Not legal

No. The Ursack Major is a soft-sided bag, and Lassen Volcanic National Park requires a hard-sided or rigid container.

NPS-approved bear-resistant container required; hanging not permitted. Area text names no approved list. Soft-sided bag is not a rigid canister (order/regulation requires a canister or non-pliable container).

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.

Rules change. Confirm with the land manager (links below) before you go.

What this means

The written rule asks for a bear-resistant container (or similar wording) but names no approved list. Hard canisters on a recognised list are the safest reading; the agency has the final say.

Seasonal rule. The requirement applies on the dates in the source: Apr 16 - Nov 30. 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 Lassen Volcanic National Park

Requirement
NPS-approved bear-resistant container required; hanging not permitted.
Accepted
Page does not specify the approval list ('NPS-approved')
Dates
Apr 16 - Nov 30
Source updated
2025-08-29
Checked
2026-10-26 · partly verified
Our notes
Which list Lassen uses 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 Lassen Volcanic National Park

Other canisters and their verdict here
CanisterVerdictWeightVolume
BearVault BV450 Jaunt Legal 2 lb 1 oz7.2 L
BearVault BV500 Journey Legal 2 lb 9 oz (1.16 kg)11.5 L
UDAP No-Fed-Bear Legal 2.4 lb8.2 (derived from cu in) L
BearVault BV ONE Adjustable Likely legal 1 lb 15 oz (895 g)8.3 expanded / 4.65 collapsed L
BearVault BV425 Sprint Likely legal 1 lb 12 oz5 L
BearVault BV475 Trek Likely legal 2 lb 4 oz9.3 L

The Ursack Major under nearby rules

Quick answers

Is the Ursack Major legal in Lassen Volcanic National Park?

No. The Ursack Major is a soft-sided bag, and Lassen Volcanic National Park requires a hard-sided or rigid container. NPS-approved bear-resistant container required; hanging not permitted. Area text names no approved list. Soft-sided bag is not a rigid canister (order/regulation requires a canister or non-pliable container).

What does Lassen Volcanic National Park require for food storage?

NPS-approved bear-resistant container required; hanging not permitted. Accepted standard: Page does not specify the approval list ('NPS-approved').

How current is this answer?

We checked Lassen Volcanic 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.