| Banner Peak | |
|---|---|
Banner Peak fromThousand Island Lake | |
| Highest point | |
| Elevation | 12,942 ft (3,945 m) NAVD 88[1] |
| Prominence | 856 ft (261 m)[1] |
| Parent peak | Mount Ritter[2] |
| Listing |
|
| Coordinates | 37°41′48″N119°11′43″W / 37.6966°N 119.1951415°W /37.6966; -119.1951415[5] |
| Geography | |
| Location | Madera County,California,U.S. |
| Parent range | Ritter Range,Sierra Nevada |
| Topo map | USGS Mount Ritter |
| Geology | |
| Rock age | Cretaceous |
| Rock type | Metavolcanic rock |
| Climbing | |
| First ascent | 1883 by Willard D. Johnson and John Miller[6] |
| Easiest route | Scramble,class 2[3][6] |
Banner Peak is the second tallest peak in theRitter Range ofCalifornia'sSierra Nevada.[7] The mountain is 12,942 feet (3,945 m) tall, and there are severalglaciers on its slopes. It lies within the boundaries of theAnsel Adams Wilderness; at the foot of the peak lie Garnet Lake, Lake Ediza, and the famousThousand Island Lake. Banner Peak is near the town ofMammoth Lakes; from there, climbers can hike to the foot of the mountain where various routes reach the summit, the easiest of which is aclass 2[6] from the west end of Thousand Island Lake and then the saddle between Banner Peak and the slightly tallerMount Ritter. Other nearby lakes include Lake Catherine and Shadow Lake.
The peak was named in 1883 byUSGStopographer Willard D. Johnson who observed abanner cloud streaming from the summit.[8]

According to theKöppen climate classification system, Banner Peak is located in analpine climate zone.[9] Mostweather fronts originate in thePacific Ocean, and travel east toward the Sierra Nevada mountains. As fronts approach, they are forced upward by the peaks (orographic lift), causing them to drop their moisture in the form of rain or snowfall onto the range.
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