References:Yosemite Falls (Middle Earth)-20160707230120

Location: Yosemite Falls (Middle Earth) Reported by: CC Date: 7 Jul 2016 Comment: Webcam MERCED R AT POHONO BRIDGE NR YOSEMITE CA Waterflow: Extreme 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Historical reference pictures used in Waterflow analysis

(log in to submit reference picture)

26 Jul 2012 Low	26 Jul 2025 Moderate-Low	16 Sep 2023 Moderate	29 Jun 2014 Moderate-High	29 Jun 2013 Very High	1 Jul 2013 Very High	7 Jul 2016 Extreme	9 Jul 2016 Extreme	29 Jun 2019 Extreme