References:Wallace River Canyon-20170910035049

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  • Wallace River Canyon-20170910035049 pic.jpg
  • Location: Wallace River Canyon
    Reported by: Jbartlett79
    Date: 9 Sep 2017
    Comment: While the canyon still featured legitimate "class C" conditions on this day, water flow was substantially less than pictured from the June 2015 trip.
    Waterflow: Very Low
    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    Historical reference pictures used in Waterflow analysis[edit]


    (log in to submit reference picture)

    9 Sep 2017
    Very Low
    29 Jun 2015
    Low
    16 Aug 2021
    Moderate-Low
    18 Aug 2012
    Moderate
    16 Aug 2024
    Moderate
    19 Jul 2024
    Moderate-High
    12 Jul 2024
    High
    1 Aug 2024
    High
    28 Sep 2014
    Extreme
    Wallace River Canyon-20170910035049 pic.jpg Wallace River Canyon-20150716003258 pic.jpg Wallace River Canyon-20210818025054 pic.jpg Wallace River Canyon-20141119083540 pic.jpg Wallace River Canyon-20240926114327 pic.jpg Wallace River Canyon-20240720191607 pic.jpg Wallace River Canyon-20240714225808 pic.jpg Wallace River Canyon-20240926114438 pic.jpg Wallace River Canyon-20141119083650 pic.jpg