Walnut Grove Dam
Rank in Arizona
#262of 727 ranked
Overall score
Score 43.5 out of 100medium confidence
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Walnut Grove Dam stood on the Hassayampa River north of Wickenburg, Arizona. It was built between 1886 and 1888, chiefly on the impetus of the Bates family, and was intended to serve gold mining. The dam failed in 1890, before it could be put to use, and more than 100 people were killed.

Where it is

Walnut Grove Dam is a historic site near Yarnell, in Yavapai County. It is one of the historic sites in this database, and appears in the statewide ranking of Arizona attractions.

How this ranking was reached

No official visitor count is published for Walnut Grove Dam, so its score rests on public interest and tourism significance, and is capped below the level a measured attraction can reach. That is why the medium confidence above is not higher. The weighting is explained in full on the methodology page, and every axis is broken out under Facts and sources at the foot of this page.

Note on the data: No official visitor count is published for this attraction.

Sources

Record last verified 2026-08-12.

Nearby attractions

Facts and sources

Place

Destination
Yarnell
State
Arizona

Visitation

Annual visits
Not published

Ranking

Overall score
43.5 / 100
Visitation score
No published count
Popularity score
26.2
Significance score
58.0
Confidence
medium

Visiting

Coordinates
34.1931, -112.5416
Last verified
2026-08-12