Tueeulala Falls - California Waterfalls; Yosemite Natl. Park, Hetch Hetchy Reservoir-hike/trail/map/directions

Tueeulala Falls and Wapama Falls flow into Hetch Hetchy Reservoir, which was created to provide water to San Francisco. O'Shaughnessy Dam was built in 1914, one of the greatest travesties ever to occur in America. Before it was built, Hetch Hetchy Valley was as beautiful and awe-inspiring as Yosemite Valley. Now it is destroyed.

Nonetheless, the reservoir area is still pretty, and the waterfalls here are definitely worth visiting in the spring. It is an easy and pretty hike along the reservoir to get to them. You will reach Tueeulala Falls about 1.7 miles along the trail, where it drops 800 ft. off a high cliff in the spring. I have seen the waterfall listed at 1000 ft. high, but it is closer to 800 ft., maybe slightly higher. Before the dam was built, Tueeulala Falls would have been taller, probably around 1200 ft.

Note that Tueeulala Falls is actually further to the east than how it is marked on the USGS Topo maps (closer to Wapama Falls). In fact Tueeualala Falls is actually runoff from Falls Creek, which splits at high volume above Wapama Falls. The other waterfall marked is Hetch Hetchy Falls. Even with the split of Falls Creek, Tueeulala has more volume than the marked waterfall.

18 Miles NNW Yosemite Valley CA (Elev. 5981 ft)

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 40. Calm wind.
Friday
A 50 percent chance of rain, mainly after 11am. Snow level 6900 feet lowering to 6400 feet in the afternoon . Mostly cloudy, with a steady temperature around 42. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely before 11pm, then snow. Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 40. Wind chill values as low as 28. Light west southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow likely before 2pm, then a slight chance of rain. Mostly cloudy, with a high near 43. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Partly cloudy, with a low around 34. West southwest wind around 5 mph becoming northeast after midnight.
Monday
Sunny, with a high near 59. East northeast wind around 5 mph becoming west southwest in the morning.
Monday Night
Mostly clear, with a low around 41. West wind 5 to 10 mph becoming east northeast in the evening.
Tuesday
Sunny, with a high near 64. East northeast wind 5 to 10 mph becoming west southwest in the morning.
Tuesday Night
Partly cloudy, with a low around 45. West southwest wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 64. East northeast wind around 5 mph becoming west southwest in the morning.
Wednesday Night
Mostly clear, with a low around 46. West wind around 5 mph becoming east northeast in the evening.