Entry No. 24 — the Denver file — filed under: hidden landmark
Prismatic Electric Fountain (Ferril Lake)
“come back after dusk and it becomes a different animal”
By day it reads as a plain fountain in the middle of Ferril Lake. Come back after dusk and it becomes a different animal: 2,000-plus nozzles throw a central geyser up to 90 feet while 112 individually-controlled RGB LED fixtures saturate the plumes in shifting pinks, blues and greens. It dates to 1908 and was the first major fountain in North America to light tall water with high-power LEDs. Almost nobody plans an evening around it, which is exactly why you should.
The story
In 1908, Denver was desperate to shed its reputation as a backwater mining outpost before hosting the Democratic National Convention. Mayor Robert Speer hired electrical engineer Frederic Darlington to construct an aquatic flex in the middle of City Park's Ferril Lake: an electric fountain packed with over 2,000 nozzles and submerged arc lights filtered through plates of colored glass. It was pure turn-of-the-century civic swagger—eleven 8,000-candlepower searchlights shooting colored beams through rising plumes of water, synced to the beat of the municipal band under the dark Western sky.
Decades of flooded vaults, cracked concrete, and plumbing failures eventually killed the original mechanism. By the 1980s, the power was cut, leaving the fountain as a plain daytime spout. The twist arrived a century later when the 2008 DNC returned to Denver. The city spent $3 million demolishing the ruined original infrastructure and building a modern computerized replica. The new rig replaced Darlington's arc lights and glass plates with 112 individually-controlled RGB LED fixtures that saturate the central 90-foot geyser in shifting pinks, blues, and greens.
The local secret isn't that the fountain exists—it's that almost no one in Denver explicitly plans an evening around watching it. While crowds pack noisy rooftop bars downtown for a view of the skyline, you can lay out a blanket on the grass at Ferril Lake, watch the city skyline reflect on the water, and take in a high-tech light show that costs the city a fortune to operate and costs you absolutely nothing.
What it's like
Aim for the south or southwest shore of Ferril Lake near the Spanish-style City Park Pavilion just before sunset. There is no built-in seating near the water's edge, so bring lawn chairs or a picnic blanket with a waterproof backing (the local goose population leaves its mark on the grass). Once night falls, the fountain transforms from an ordinary lake jet into a vibrant, 90-foot light display cycling through saturated color programs. The crowd is quiet and mostly local—neighborhood dog walkers, runners, and couples out for a night walk. Check the online schedule before heading out, as the light display is seasonal and runs strictly after dark.
The move: Pack a blanket and time a sunset arrival at the south shore of Ferril Lake. Watch the color program run after dark from the lawn - the lights run dusk to about 11pm in summer. Pair it with a slow loop of the lake.
📍 Before you go The fountain sits in the center of Ferril Lake inside City Park, Denver's big park on the east-central side. Aim for the south/southwest shore near the Spanish-style City Park Pavilion; there's a lot beside it, and the lawn there gives an open sightline across the water. Bring your own blanket or chairs, since there's little fixed seating at the shore. The show is seasonal and runs only after dark in the warmer months, so check the schedule before making the trip. It's a public park that closes for the night not long after the show ends, and it's free with no reservation. By day, pair it with the Denver Museum of Nature & Science on the park's east edge or the Denver Zoo on the north side.
- 📍 City Park
- 💸 Free
- ⚡ Low-key
- 🌗 Outdoors
Where: Prismatic Electric Fountain, center of Ferril Lake, City Park, Denver (best viewed from the south/southwest shore near the Pavilion)
Hours: Seasonal: typically runs early May through early October. Colored LED show visible dusk to ~11pm. Check denverelectricfountain.org for the daily/nightly schedule before going.
Pair it with
- Impossible Winterbourne Steampunk Street Sculptures — Pair an evening at the illuminated fountain with an afternoon walk through neighboring Capitol Hill and Uptown to spot tiny rusted steampunk robots mounted on street poles.
- BOWS — Patrick Marold Steel Arch Installation — Trade City Park's liquid light display for Cranmer Park's nearby steel arch installation, where reflective inverse metal ribbons catch the light along a wooded passageway.
- Carpio-Sanguinette Park (Former Sewage Treatment Plant) — Contrast City Park's polished 1908 civic showcase with another offbeat Denver green space reclaimed directly from a 1937 sewage treatment facility.
Good to know
When does the color light show run?
The light show runs seasonally from early May through early October. The LED fixtures operate after dusk until roughly 11:00 PM.
How much does it cost to see the fountain?
It is completely free. The fountain is located in a public city park, so no tickets or reservations are required.
Where is the best place to sit for the show?
The south or southwest lawn of Ferril Lake, near the City Park Pavilion, offers the clearest sightline across the water with the Denver skyline in the background.
Is the fountain active during the day?
Yes, but during daylight hours it functions as a standard water fountain shooting jets up to 90 feet into the air. The color-changing LED program turns on only after dark.
Plan a visit & invite your people →
Further reading: Atlas Obscura · Official site · Westword
last checked: 2026-06-07