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Photo: USMARINE0311 from California, United States, CC BY-SA 2.0 via Wikimedia Commons
Henninger Flats is a small hanging basin 2600 ft above sea level in the San Gabriel Mountains in the Angeles National Forest. It was part of the Mount Wilson Toll Road. The trailhead to reach the flats is at the top end of Eaton Canyon in Altadena.
Henninger Flats is a small hanging basin 2,600 feet (792.5 m) above sea level in the San Gabriel Mountains in the Angeles National Forest. It was part of the Mount Wilson Toll Road. The trailhead to reach the flats is at the top end of Eaton Canyon in Pasadena, California.
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