Water Levels

The following Water Level Classifications are meant to be a general guideline only. Although not always a good predictor of the amount of Thrills and Risks you will have on your raft trip, these guidelines do give an indication of what you might encounter on your rafting adventure.

CLEAR CREEK
http://waterdata.usgs.gov/CO/nwis/uv?06716500
Geo commonly refers to the River Gauge at Lawson, CO.
200 cfs and Below - Marginal to Unacceptable
200 cfs to 350 cfs - Low Water
350cfs to 650 cfs - Moderate Water
650 cfs and Above - High Water

ARKANSAS RIVER
http://www.dwr.state.co.us/SurfaceWater/data/detail_graph.aspx?ID=ARKWELCO&MTYPE=DISCHRG
Geo commonly refers to the River Gauge at Wellsville, CO.
700cfs and Below - Marginal to Unacceptable
700 cfs to 1500 cfs - Low Water
1500 cfs to 3000 cfs - Moderate Water
3000 cfs and Above - High Water

UPPER COLORADO RIVER
http://waterdata.usgs.gov/CO/nwis/uv?09058000
Geo commonly refers to the River Gauge at Kremmling, CO.
500 cfs and Below - Marginal to Unacceptable
500 cfs to 1500 cfs - Low Water
1500 cfs to 3000 cfs - Moderate Water
3000 cfs and Above - High Water

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Rapid Classifications

The following Rapid Classifications are meant to be a general guideline only. The Classification of a rapid is subjective at best. Factors that may influence the classification of an individual rapid include but are not limited to: Water levels, Weather conditions, and course traversed.

CLASS I	Easy. Small waves & no obstacles
CLASS II	Medium difficult. Moderate waves & clear passages
CLASS III	Difficult. Irregular waves, narrow passages & scouting may be advisable.
CLASS IV	Very difficult. Large irregular waves, precise maneuvering required, scouting advised & rescue difficult.
CLASS V	Extremely difficult. Violent waves, highly congested passages, expert maneuvering required, scouting mandatory & significant hazard to life in event of mishap.
CLASS VI	Ultimate limit to navigability, Some consider unrunnable, loss of life possible.

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Age Requirements

Geo places general age requirements on most of its trips. These requirements may vary with Water Level and other factors. Geo Tours reserves the right to impose age and/or size restrictions at Geo's discretion.

CLEAR CREEK
BEGINNER TRIP 7 YRS. & ABOVE
INTERMEDIATE 16 YRS. & ABOVE
ADVANCED 18 YRS. & ABOVE

ARKANSAS RIVER
BROWN'S CANYON 10 YRS & ABOVE
NARROWS 16 YRS & ABOVE
NUMBERS 18 YRS AND ABOVE

UPPER COLORADO RIVER
MOST SECTIONS 5 YRS & ABOVE

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Morrison, CO 80465-0483
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