All Denver Public Library locations will be closed on Monday, March 30, in observance of “Sí se puede” ("Yes, We Can") Day. More Information.

Pool Party In Eldorado Canyon

Get in summer mood by enjoying these historic photographs of the resort, pools, and Eldorado Canyon State Park.

Twelve young women stand in a line near a leafy bush and a rock wall in Eldorado Springs, Colorado. Each of the women has her right hand on the shoulder of the girl in front of her. A pennant flag with "Eldorado Spgs.," printed on it hangs from the waist belt of a girl.

Swimmers and onlookers are at the pool in Eldorado Springs, Colorado. A sign near the pool reads: "Warning Bathers Are Not Allowed To Use Pool Except When Life Guards Are On Duty."

Crowd of people gather around the swimming pool at the resort in Eldorado Springs, Colorado. South Boulder Creek is in the foreground and has a bridge over it. Other people walk from their cars towards the pool. A building with the sign "Grand View" is in the distance.

View of the Commmunity Canal at Eldorado Springs (Boulder County) Colorado; shows a rock walled water channel, men and a team of horses by a footbridge, the swimming pool pavilion, and a hotel and cabins.

Men and women stand in line at the diving board at the swimming pool in Eldorado Springs, Colorado. Viewing areas and changing rooms surround the pool.

The resort at Eldorado Springs, Colorado is at the mouth of Eldorado Canyon. Sheer cliff walls mark the entrance to the canyon and the South Boulder Creek runs along the bottom.

Women dive from boards at Eldorado Springs (Boulder County) Colorado; people in swimming suits sit by the pool, showers, and pavilion.

Swimmers and onlookers are at the pool in Eldorado Springs, Colorado. One man is on the lower of two diving boards, and three men stand near the changing rooms.

Four young girls stand in their swim apparel at the resort in Eldorado Springs, Colorado. Three of the girls wear swim caps, and their bathing suits has "Eldorado Springs," printed on the top section.

A woman dives from a tower at (probably) Eldorado Springs (Boulder County) Colorado; men in swimming suits sit by the pool.

View of the resort at Eldorado Springs, Colorado, includes swimming pools, access to South Boulder Creek, Eldorado Hotel, and a dance pavilion (with barrel roof). Cars are parked all along the dirt road. Crowd of people are in and around the pool.

Visitors to the resort in Eldorado Springs, Colorado, ascend the "Crazy Stairs," which have been built on a sheer rock face. A lookout tower flying an American flag is visible at the top of the stairs.

An unidentified man walks across a dirt street in Eldora, a mining town in Boulder County, Colorado. The town was originally named Eldorado but its name was changed to avoid its being confused with Eldorado, California. Two children walk behind the man. A small group of unidentified people stands near a log cabin in the midground. Additional cabins line the dirt street. A ridge of mountains is in the distance.

View of Eldorado Springs, Colorado, a spa founded by the Fowler family in 1904. The New Eldorado Hotel, a hipped-roof building with a veranda across the front, is on the hill above the valley; other buildings and small cottages are scattered on the hills around the resort.

Sheer rock walls rise on either side of a dirt road in Eldorado Springs, Colorado. Buildings are on top of the hill in the distance.

Watercolor and gouache painting shows the Eldorado Hotel, at 1249 10th (Tenth) Street, (10th near Larimer) Denver, Colorado. Built by Henri and Katrina Murat, This log building was the first hotel in the Denver area.

Swimming pool and clubhouse are being rebuilt after a devastating fire in December of 1929, at the resort in Eldorado Springs, Colorado. South Boulder Creek runs adjacent to the pool.

Grace Noel, a young girl, casts a line into South Boulder Creek in Eldorado Canyon State Park in Boulder County, Colorado. People are near her on the edge of the creek. A child is on the opposite bank. The jagged rock outcrops of the canyon walls are in the distance.

Construction is under way on the new swimming pool at the resort in Eldorado Springs, Colorado, after a fire destroyed much of the property in December, 1929.

Two workmen toil to reconstruct the swimming pool in Eldorado Springs, Colorado. Much of the resort was destroyed by fire in 1929. The new front facade features mission style architecture, and, "The New Eldorado Hotel," is visible in the background.

Swimmers compete in the pool at the resort in Eldorado Springs, Colorado, as onlookers watch the action.

The bird's-eye view of the resort in Eldorado Springs, Colorado, shows the two swimming pools, South Boulder Creek, Crazy Staircases, and the cottages that were available for rent. People are gathered around the pool to watch swimmers and divers.

The buildings and swimming pool at the resort in Eldorado Springs, Colorado, have been reconstructed after the fire of December of 1938. Features the new pool building adjacent to South Boulder Creek, the new Eldorado Hotel, and foundations of buildings destroyed by the fire.

Only the stone chimney and fireplace remain at one of the cottages that burned during the fire of December 28, 1929, at the resort in Eldorado Springs, Colorado.

Boulder Creek flows down a series of waterfalls past a piece of mining machinery near the town of Eldorado Springs, Colorado in Boulder County.

Pieces of the dance pavilion at the resort in Eldorado Springs, Colorado, lie in ruins on the banks of South Boulder creek after the flood that roared down the valley in 1938.

View of a wooden bridge over a waterfall at South Boulder Creek, Eldorado Springs (Boulder County), Colorado.

Men and women walk amid flood debris near South Boulder creek in Eldorado Springs, Colorado. The flood, in September of 1938, did major damage to houses and the Eldorado Springs resort.

A man sits on a rock next to an observation deck in a cave at Eldorado Springs Canyon (Boulder County), Colorado.

Houses line the banks of the South Boulder creek with the flood waters raging. One room of a house hangs out over the creek.

Young men, women, and burros pose in a clearing at the resort in Eldorado Springs, Colorado. Each of the eight burros has a woman on its back, and the men hold the necks of, and stand between, the burros.

Young men and women sit around a make-shift table of wooden benches that have been pushed together. They have just finished a meal and their empty plates litter the top of the bench. Many are holding up their glasses in the gesture of a toast.

Young men and women pose on a wooden bridge over South Boulder Creek, at the resort in Eldorado Springs, Colorado. "Crazy stairways" ascend the rocky cliff in the background.

View of the pool at Eldorado Springs Resort in Eldorado Springs (Boulder County), Colorado. A child goes down a tall water slide. Children are lined up to use the slide. The pool has a sun deck over a shade area. The resort was originally named Moffat Lakes Resort, and when it opened (1906) it was advertised as the largest swimming pool in the country.

View of the Eldorado Springs Bath House at the Eldorado Springs Resort, Eldorado Springs (Boulder County), Colorado. The Art deco bath house has a false front with a shaped parapet with a central staircase that descends to a large swimming pool. A water slide is in the corner. Children swim and a lifeguard sits on a guard stand. The resort was originally named Moffat Lakes Resort, and when it opened, it was advertised as the largest swimming pool (1906) in the country.

Swimmers and onlookers are at the pool in Eldorado Springs, Colorado. Changing rooms are on the far side of the pool.

Swimmers and onlookers crowd the swimming pool area of the resort at Eldorado Springs, Colorado.

Four women and a young girl are poised to dive into the swimming pool at the resort in Eldorado Springs, Colorado. A fifth woman stands on the running board of a bus behind the divers. Signs on the bus read: "Inter-urban motors - the Boulder Line." A man leans over the railing in the viewing area, and women and children are behind him. A clock on the wall of the resort office building reads 6:10.