References:Rock Creek (Olympic Peninsula)-20210720202235

Location: Rock Creek (Olympic Peninsula) Reported by: Coops Date: 19 Jul 2021 Comment: Waterflow: Moderate Very Low Low Moderate-Low Moderate Moderate-High High Very High Extreme 0% - 40% 40% - 70% 70% - 90% 90% - 110% 110% - 130% 130% - 160% 160% - 200% >200% Very Low: Water flow should not represent any danger (class B = a2). Low: Not as fun, but should be safe even for beginners (class B/C = a3). Moderate-Low: A bit low, still fun but not very challenging (class C1- = a4-). Moderate: Challenging but not dangerous for intermediate canyoneers (class C1 = a4). Moderate-High: A bit high, quite challenging but not too dangerous (class C1+ = a4+). High: High water, only for experienced swift water canyoneers (class C2 = a5). Very High: Dangerously high water, only for expert swift water canyoneers (class C3 = a6). Extreme: Extremely dangerous high water, may be unsafe even for experts (class C4 = a7).

Historical reference pictures used in Waterflow analysis

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20 Sep 2020 Moderate-Low	19 Jul 2021 Moderate	28 Apr 2024 High	18 Apr 2025 High

Credits

References:Rock Creek (Olympic Peninsula)-20210720202235

Information provided by automated processes. Authors are listed in chronological order.

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