Surprises
Canisters that fail where you would expect them to pass
IGBC certification is a national standard. Some areas use a shorter list of their own, so a certified canister can still be refused. 12 of the 17 models below are IGBC certified.
This list shows, for each model, the areas that require a canister and where that model does not meet the rule. Areas that do not require a canister at all are left out. Always read the area page for the exact wording: how we verify.
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- Yosemite National Park
- Sequoia & Kings Canyon NPs - Dusy Basin
- Sequoia & Kings Canyon NPs - Rae Lakes Loop
- Sequoia & Kings Canyon NPs - North Dome
- Sequoia & Kings Canyon NPs - Rock Creek
- Sequoia & Kings Canyon NPs - Pear & Emerald Lakes
- Rocky Mountain National Park
- Olympic National Park
- Lassen Volcanic National Park
- Katmai National Park & Preserve
- Inyo NF - Bishop Pass / Treasure Lakes
- Inyo NF - Cottonwood Lakes
- Inyo NF - Duck Pass / Purple Lake
- Inyo NF - Fish Creek
- Inyo NF - Kearsarge Pass
- Inyo NF - Little Lakes Valley
- Inyo NF - Mammoth Lakes / Rush Creek
- Inyo NF - Mt. Whitney zone
- John Muir Wilderness
- Ansel Adams Wilderness
- Desolation Wilderness
- Hoover Wilderness
- Trinity Alps - Canyon & Swift Creeks
- Pisgah NF - Shining Rock
- Adirondack Eastern High Peaks Wilderness
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- Yosemite National Park
- Sequoia & Kings Canyon NPs - Dusy Basin
- Sequoia & Kings Canyon NPs - Rae Lakes Loop
- Sequoia & Kings Canyon NPs - North Dome
- Sequoia & Kings Canyon NPs - Rock Creek
- Sequoia & Kings Canyon NPs - Pear & Emerald Lakes
- Rocky Mountain National Park
- Olympic National Park
- Lassen Volcanic National Park
- Katmai National Park & Preserve
- Inyo NF - Bishop Pass / Treasure Lakes
- Inyo NF - Cottonwood Lakes
- Inyo NF - Duck Pass / Purple Lake
- Inyo NF - Fish Creek
- Inyo NF - Kearsarge Pass
- Inyo NF - Little Lakes Valley
- Inyo NF - Mammoth Lakes / Rush Creek
- Inyo NF - Mt. Whitney zone
- John Muir Wilderness
- Ansel Adams Wilderness
- Desolation Wilderness
- Hoover Wilderness
- Trinity Alps - Canyon & Swift Creeks
- Pisgah NF - Shining Rock
- Adirondack Eastern High Peaks Wilderness
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