Flows in this reach will be just slightly higher than shown at the Happy Isles gauge, as Tenaya Creek comes in below the gauge.. The park service does not allow boating on this section when the river level is too high under the Sentinal bridge. "Rafting is not permitted whenever the river stage (depth) reads 6.5 feet or higher and the sum of air temperature and water temperature is less than 100°F." Floating is also limited to the hours between 10 AM and 6 PM. Yosemite Water Activities
At this time it is not known what level on the Happy Isles gauge corresponds with the level that is closed to boating. Air tempurature readings can be found on the weather tab. We are searching for an online source for water tempurature readings.
| Name | Range | Difficulty | Updated | Level | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA | ||||||||||||
| usgs-11264500 | 200 - 2000 cfs | I | 01h33m | 60 cfs (rc= -0.1 ) | ||||||||
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| When | River/Gauge | Subject | Level | Reporter |
|---|---|---|---|---|
| Merced [CA] |
Half Dome, from Merced River |
350 cfs | Thomas O'Keefe | |
| 1y211d14h59m | /Merced-Stables to El Cap Meadow [CA] |
Floating Past Bridal Veil Falls |
a good level | Dave Steindorf |
| 1y211d18h17m | /Merced-Stables to El Cap Meadow [CA] |
Sentinal Rock |
0 cfs | Paul Martzen |
| 1y211d19h02m | /Merced-Stables to El Cap Meadow [CA] |
Yosemite Falls |
a good level | Dave Steindorf |
| 1y211d20h02m | /Merced-Stables to El Cap Meadow [CA] |
Half Dome from the Merced |
a good level | Dave Steindorf |
| 2y338d11h02m | Merced [CA] |
El Capitan, from Merced |
350 cfs | Thomas O'Keefe |