Inyo NF - Mt. Whitney zone · US Forest Service
Is the Ursack Major legal in Inyo NF - Mt. Whitney zone?
Not legal
No. The Ursack Major is a soft-sided bag, and Inyo NF - Mt. Whitney zone requires a hard-sided or rigid container.
Canister required for food/refuse in this order area (one of eight designated areas). 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
- 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.
- 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.
About this model. Soft-sided; IGBC-certified but not allowed where a hard-sided canister is required (e.g.
The rule in Inyo NF - Mt. Whitney zone
- Requirement
- Canister required for food/refuse in this order area (one of eight designated areas).
- Accepted
- Order says container designed to prevent access by bears; no list named. SIBBG-approved canisters are the safest choice.
- Order
- Order 05-04-50-23-03 (text: effective 2025-06-18 to 2027-06-18; page header alert start 2023-06-18)
- Dates
- Order 05-04-50-23-03 (text: effective 2025-06-18 to 2027-06-18; page header alert start 2023-06-18)
- Source updated
- alert page (date not captured)
- Checked
- 2026-10-26 · partly verified
- Our notes
- Exact zone boundaries are in the order maps and were not reviewed.
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 Inyo NF - Mt. Whitney zone
| Canister | Verdict | Weight | Volume |
|---|---|---|---|
| BearVault BV450 Jaunt | Legal | 2 lb 1 oz | 7.2 L |
| BearVault BV500 Journey | Legal | 2 lb 9 oz (1.16 kg) | 11.5 L |
| UDAP No-Fed-Bear | Legal | 2.4 lb | 8.2 (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 oz | 5 L |
| BearVault BV475 Trek | Likely legal | 2 lb 4 oz | 9.3 L |
The Ursack Major under nearby rules
- White River NF Store food in an IGBC Courtesy Inspection container, a vehicle, or by 10 ft / 4 ft hang. Allowed, not required
- NCDE national forests IGBC list or district-ranger inspection; or other approved storage. Allowed, not required
- Mt. Shasta Wilderness No canister requirement found in the order. No canister rule
- Carson-Iceberg Wilderness Bear canisters currently not required (same Stanislaus page). No canister rule
- Sequoia & Kings Canyon NPs - North Dome Canister required in the North Dome area. Not legal
- Inyo NF - Little Lakes Valley Canister required for food/refuse in this order area (one of eight designated areas). Not legal
Quick answers
Is the Ursack Major legal in Inyo NF - Mt. Whitney zone?
No. The Ursack Major is a soft-sided bag, and Inyo NF - Mt. Whitney zone requires a hard-sided or rigid container. Canister required for food/refuse in this order area (one of eight designated areas). 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 Inyo NF - Mt. Whitney zone require for food storage?
Canister required for food/refuse in this order area (one of eight designated areas). Accepted standard: Order says container designed to prevent access by bears; no list named. SIBBG-approved canisters are the safest choice..
How current is this answer?
We checked Inyo NF - Mt. Whitney zone's official source on 2026-10-26. Source page shows no date. 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.