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Ailsa

Ghost town · San Bernardino County, California

San Bernardino quadrangle, USGS topographic map (1896, 1:62,500)
San Bernardino quadrangle, USGS topographic map (1896, 1:62,500) · U.S. Geological Survey, Historical Topographic Map Collection · Public domain

Ailsa is a ghost town in San Bernardino County, California. It is one of 50 former communities in San Bernardino County on the federal names register. No county in California has more among the 58 California counties with a vanished settlement on record.

The U.S. Geological Survey lists Ailsa as a historical populated place on the Fontana topographic quadrangle: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 34.0667° N, 117.4356° W.

Key facts

USGS quadrangleFontana
Elevation1,110 ft
Nearest living townBloomington, CA
Distance to it2 miles
GNIS feature ID1670922
Coordinates34.06668, -117.43560

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What's there now

Ailsa is no longer a community in its own right. The nearest living town is Bloomington, CA (population 24,324), about 2 miles away in a straight line, and the site sits at roughly 1,110 feet above sea level. Much of the land around former townsites is private; check access before you visit.

Nearby places

Questions

Where is Ailsa?

Ailsa is in San Bernardino County, California, at 34.0667, -117.4356.

How many ghost towns are in San Bernardino County?

San Bernardino County, California has 50 ghost towns on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.