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Eldorado Springs Pool

  • From $25
  • 43 min from Denver
  • Walk-in OK

A historic outdoor swimming pool at the mouth of Eldorado Canyon near Boulder, fed by the area's artesian warm springs and reopened after a long renovation. It operates in summer and on September weekends. This is a warm swimming pool rather than a hot soak.

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✓ Verified November 2026
Long outdoor pool at the mouth of a rocky canyon at Eldorado Springs Pool, Eldorado Springs, Colorado
Photo: Eldorado Springs Pool
Price
From $25
Nearest town
Eldorado Springs
From Denver
43 min
Reservations
Walk-in OK

Plan your visit

Hours & season

Hours
  • Daily 10am-6pm through Labor Day
  • Sundays (or weekends) 10am-6pm in September (2025 schedule)
Season
  • Seasonal
  • Summer pool
  • Reopened May 24, 2025 after renovation, open daily to Labor Day then limited days in September

Tickets & booking

Price
  • Adults & teens (13+) $25
  • Children 12 & under and seniors 60+ $15
  • Season pass $500/$300
  • Open daily Memorial Day-Labor Day and weekends in September, 10 am-6 pm
AccessDay pass, walk-ins welcome
Booking
  • Tickets sold online or at the gate
  • No timed reservations described
  • Unused tickets can be moved within 10 days if requested

Rules

Ages
  • Children 12 and under must be accompanied
  • Waivers required

On site

LodgingNo

Not stated by the venue: swimwear, dogs.

Water temperature

This venue doesn't publish pool temperatures.

Mineral profile

Total dissolved minerals

84 mg/L

Lightly mineralized · Calcium–sulfate (gypsum-type water)

Sodium6.7 mg/L
Calcium11 mg/L
Magnesium3 mg/L
Potassium3.1 mg/L
Chloride0.80 mg/L
Sulfate19 mg/L
Silica15 mg/L
pH
6.65
Temp at source
76°F
Fluoride
0.30 mg/L
Boron
0.03 mg/L
Iron
0.02 mg/L

Lab analysis of the source water at “Eldorado Spring B” (0.2 mi from Eldorado Springs Pool), sampled 1975–1976 by the USGS and partners (data). Pool water may be cooled, mixed or treated, and spring chemistry is generally stable over decades. We report measurements only; we don't make health claims.

The pools

PoolTempDepth
Main poolShallow end from 3.5 ft, deep end to 10 ft with diving board; lifeguards on duty79–82°F10 ft
Baby poolkids1 ft 2 in deep—1.2 ft

As published by the venue. Temperatures shift with the seasons and the weather.

Facilities

WaterTreated (chlorine or similar)
  • Fed by the adjacent Eldorado Artesian Spring
  • Chlorinated as health rules require, kept as low as allowed
  • Generally 79-82F
  • Changing rooms: yes
  • Showers: yes
  • Lockers: no
  • Towel rental: no
  • Towels included: no
  • Food on site: yes
  • Drinks / bar: yes
Accessibility
  • Wheelchair accessible
  • ADA pool lift for water entry
  • 5 ADA parking spaces, 2 near the pool entrance
Bring your own alcoholNot allowed
Glass containersNot allowed
SmokingNot allowed
Good to know
  • Coolers allowed but checked
  • No alcohol, glass, pets or grills
  • Beer and wine sold in Beer Garden (21+, 3-drink limit)
  • Waiver required

What's here

  • historic spring-fed outdoor pool (1905)
  • snack bar with beer and wine
  • free weekend Eldo Shuttle
  • next to Eldorado Canyon State Park

Getting there

  • From Denver43 min28 mi
  • From Denver International (DEN)57 min43 mi

Typical driving time without traffic or snow.

Elevation5,758 ft
RoadPaved road
Parking
  • Resort parking first come, first served
  • Free weekend Eldo Shuttle from Boulder
  • Shuttle riders get $5 off pool tickets
Cell serviceLimited / spotty

Things to do near Eldorado Springs

park

Eldorado Canyon State Park

Sandstone canyon next to the resort known for climbing and hiking; weekend timed vehicle entry May-Oct

other

Eldo Shuttle

Free summer weekend shuttle from Baseline and Broadway in Boulder to the canyon

town

Boulder

College town at the foot of the Flatirons, north of Eldorado Springs

Straight-line distances. Campground and trailhead data © OpenStreetMap contributors.

Nearby springs

Indian Hot Springs: 18 mi · Hot Sulphur Springs Resort & Spa: 45 mi · Radium Warm Springs: 67 mi

Sources (3)

· checked November 2026

Prices, hours and rules are checked against the official site and land-agency pages. Spot something out of date? Let us know.

  1. Official site: Swimming pool
  2. cpw.state.co.us: Eldorado canyon state park
  3. bouldercounty.gov: Eldoshuttle