Regulations United States Acadia National Park
Otter Cliffs
Climbing
Regulations on 30 October 2026
Signs at the site and later resolutions prevail; check the source.
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Regulated
Climbing · All year
In force on 30 October 2026
Climbing Permits
You must reserve a climbing permit at Otter Cliffs for organized groups of 6-12 people (including guides and instructors), from the Friday before Memorial Day through Labor Day.
Published by National Park Service · Climbing - Acadia National Park
In Acadia National Park
Regulated zone
Acadia National Park
These hold everywhere inside the boundary, whether or not a site is marked.
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Regulated
Climbing · All year
In force on 30 October 2026
All park bridges are closed to climbing and bouldering.
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The development of new climbing routes (involving route cleaning, bolt or piton use) is limited to areas outlined in the 1997 Climbing Management Plan and require approval from the Superintendent.
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Climbing groups are limited to 12 people total (including guides)
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Climbing groups of six or more individuals at Otter Cliffs between Memorial Day and Columbus Day must obtain a permit.
Published by National Park Service · Acadia National Park Superintendent’s Compendium