Islay Hill, Mountain summit in San Luis Obispo County, California, US.
The hiking trail to Islay Hill covers 1.8 miles round trip with an elevation gain of 550 feet through grasslands and oak groves.
The volcanic formation of Islay Hill occurred approximately 20 million years ago as part of the Nine Sisters mountain chain in central California.
Local residents frequently organize guided nature walks to teach visitors about the native plant species and geological features of Islay Hill.
The trailhead begins at 1364 Sweet Bay Lane, offering free parking and requiring no permits for accessing the maintained dirt paths.
A wooden pole stands at the summit, providing reference points for identifying the Santa Lucia Mountains, Edna Valley vineyards, and San Luis Obispo Airport.
Location: California
Elevation above the sea: 236 m
GPS coordinates: 35.24498,-120.62230
Latest update: March 17, 2025 20:06
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