Fallspots

Mertensia Falls

Colorado · height not recorded · Rocky Mountain National Park · Last verified 2026-05-15

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Mertensia Falls is a waterfall in Boulder County, Colorado. 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
Mertensia Falls (this page)N
Thunder Falls1 miN
Fan Falls1 miN
Trio Falls2 miN
Ouzel Falls2 miN
Lyric Falls2 miN

Questions visitors ask about Mertensia Falls

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

Is Mertensia Falls in a national or state park?

Yes — Mertensia Falls is inside Rocky Mountain National Park. See the park page for fees, hours, and current conditions.

Can I bring my dog to Mertensia Falls?

No — dogs are not allowed on trails here. Most National Park trails prohibit pets to protect wildlife. Service animals are an exception per ADA.

How far is Mertensia Falls from a major city?

Mertensia Falls is 7 miles from Allenspark (about 9 minutes' drive).

More waterfalls in Colorado

Where it is

40.2128, -105.6411

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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