HK1 -- Hiking-Easy: Gentle slopes and/or rolling terrain, mainly trails
HK2 -- Hiking-Moderate: Gentle to moderate slopes with longer ascents, may include off-trail travel, may require the occasional use of hands for balance
HK3 -- Hiking-Difficult: Moderate to steep slopes with longer more sustained ascents, may include off-trail travel, may require use of hands, introduction of some minor exposure
SC1 -- Scrambling - Easy: Steep mountainous terrain, scrambling requires use of hands, mild exposure to falls could cause injury
SC2 -- Scrambling-Moderate: Steep mountainous terrain, scrambling moves increase in difficulty, increased exposure to falls and potential for serious injury, helmet and / or rope may be required
SC3 -- Scrambling-Difficult: - Steep mountainous terrain, moves are difficult and require advanced skills, a cool control of vertigo is required from extreme exposure, helmet required / rope may be required.
CL1 -- Climbing - roped, protected climbing and rappelling, hardware required