Fallspots

Islay Falls

California · height not recorded · Montaña de Oro State Park · Last verified 2026-05-15

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Islay Falls is a waterfall in San Luis Obispo County, California. Height has not been officially recorded. Access details and conditions have not yet been verified in person by Fallspots — the data on this page comes from OpenStreetMap and USGS GNIS.

Compare to nearby falls

If this one isn't the right fit, here's how it stacks up against the closest documented falls. Every column is filterable on the site — not buried in 13,000 reviews.

WaterfallDistanceHeightTrailDogsFee
Islay Falls (this page)YFree
Reservoir Creek Falls13 mi
Big Falls20 mi
Little Falls21 mi
Three Troughs Falls32 mi
Storybrook Falls32 mi

Questions visitors ask about Islay Falls

Answers built from our structured data. If a question isn't here, the fact is unverified — we'd rather omit than guess.

Is Islay Falls in a national or state park?

Yes — Islay Falls is inside Montaña de Oro State Park. We inferred this from OpenStreetMap protected-area polygons; if you find we got the boundary wrong, please report it. See the park page for fees, hours, and current conditions.

Can I bring my dog to Islay Falls?

Yes — dogs are allowed (Montaña de Oro State Park permits leashed dogs in most areas). Inferred from park type; check the official site for trail-specific restrictions. Always leash and pack out waste.

Is there a fee to visit Islay Falls?

No entrance fee. Montaña de Oro State Park is free to access. Some trailheads may charge a parking fee separately.

How far is Islay Falls from a major city?

Islay Falls is 3 miles from Los Osos (about 5 minutes' drive).

More waterfalls in California

Where it is

35.2704, -120.8646

Sources and live status

Where we got the data, and where to check current conditions before you drive.

    Last verified by Fallspots: 2026-05-15

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