---
title: Boulder’s Eldorado Springs Pool Was Once America’s Biggest
description: Discover the historic Eldorado Springs Pool, once America's largest, and explore its rich legacy as a premier Colorado resort destination.
---

[Eldorado News ](https://www.eldoradosprings.com/eldorado-news)

# [Boulder’s Eldorado Springs Pool Was Once America’s Biggest](https://www.eldoradosprings.com/eldorado-news/boulders-eldorado-springs-pool-was-once-americas-biggest)

 Written by [Eldorado Marketing](https://www.eldoradosprings.com/eldorado-news/author/eldorado-marketing) | May 13, 2026 8:24:16 PM

Long before it became a beloved Colorado landmark, the historic Eldorado Springs Pool was promoted nationwide as the largest swimming pool in America. Originally opened in 1905 as part of the famed “Coney Island of the West” resort destination, the spring-fed pool attracted tens of thousands of visitors each summer with its natural mineral waters, mountain scenery, dancing pavilions, and grand hotel accommodations.

See [the full article at aboutboulder.com](https://aboutboulder.com/blog/boulders-eldorado-springs-pool-was-once-americas-biggest/).

[View full post](https://www.eldoradosprings.com/eldorado-news/boulders-eldorado-springs-pool-was-once-americas-biggest)

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