Islay Falls is a waterfall on Islay Creek in San Luis Obispo County, California, in the Central California Foothills and Coastal Mountains region. It lies about 3.4 miles southwest of Los Osos and roughly 32.7 miles northwest of Santa Maria as the crow flies.
Its height has not been recorded in the source data.
The Central California Foothills and Coastal Mountains are rolling hills and low ranges of oak woodland, chaparral and grassland with a Mediterranean climate of wet winters and dry summers. Streams are seasonal, and waterfalls run strongest after winter and spring rains.
San Luis Obispo County holds 7 recorded waterfalls, and several are close by. Big Falls, 80 feet high, is about 20 miles away. Upper Big Falls, is about 20.2 miles away. Little Falls, 50 feet high, is about 21.3 miles away.
Islay Falls is located at 35.2704° N, 120.8649° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.