| C: |
For events conducted by a non-Sierra Club entity (i.e. Concessionaire)
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| O: |
Applies to a variety of uncomplicated outings (i.e., city walks, bike rides, trail hikes, backpacking.)
May involve simple off trail hiking not requiring navigation skills. Climbing level: "Class 1" terrain.
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| I: |
Includes outings that involve cross-country travel where navigation is necessary. Rougher ground than
"O" outings may be traversed, and the use of hands for balance may be necessary. Includes outings that
have snow travel or skiing on easy terrain. Climbing level: "Class 2" terrain.
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| M-Rock: |
Outings that involve Class 3 rock but not Class 3 snow travel. Technical training in rock climbing is
required in addition to lower level (I and O) requirements. This is the rock element of the Level M
category above.
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| M-Snow: |
Outings that involve Class 3 snow travel requiring use of an ice axe but not Class 3 rock travel.
Technical training in snow travel are required in addition to lower level (I and O) requirements.
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| M: |
Includes Moderate level climbing: "Class 3" terrain. On rock, the hands are used for climbing. Some participants
may want a safety belay. On snow, safety dictates the use of ice axes and the ability to self-arrest.
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| E: |
More exposed than an M outing. Climbing on "Class 4" terrain. Rock climbs will use a rope for all in the party.
On snow, steeper terrain than M outings is permissible, and safety dictates the use of crampons.
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| T: |
Technical outings requiring specialized skills as identified in the sponsoring entity?s safety policy.
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If you have corrections or suggestions regarding this list, send them to the Ratings Editor.
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