Renton, Washington: Lovely Sewage Plant Grotto

Artistic environments along pleasant trails on top of what otherwise would be just a water treatment plant.

Waterworks Garden

Address:
1200 Monster Rd Southwest, Renton, WA
Directions:
Waterworks Garden, next to King County's South Treatment Plant.
Phone:
206-684-2400
Admission:
Free.
Save to My Sights

Visitor Tips and News About Lovely Sewage Plant Grotto

Reports and tips from RoadsideAmerica.com visitors and Roadside America mobile tipsters. Some tips may not be verified. Submit your own tip.

Mosaic grotto.

Water Treatment Plant Grotto

A very detailed stone and marble mosaic grotto designed by an artist. Part of the Waterworks Park in Renton WA. Built by King Co. Water treatment plant.

[Michael Anway, 12/15/2008]

Open since 1996, there's also a bit of a monolith/henge arrangement. The beautiful public sculptures are artfully dappled among algae-covered ponds filtering stormwater....

Nearby Offbeat Places

Office Park StonehengeOffice Park Stonehenge, Renton, WA - 1 mi.
U-Haul Space NeedleU-Haul Space Needle, Renton, WA - 2 mi.
Rooftop DragonRooftop Dragon, Renton, WA - 2 mi.
In the region:
Motel Room Where Kurt Cobain Shot Heroin, Seattle, WA - 14 mi.

Latest Tips Across Roadside America

Catch up on the latest discoveries from the road.

Explore Thousands of Oddball Tourist Attractions!

Unique destinations in the U.S. and Canada are our special obsession. Use our attraction recommendation and maps to plan your next road trip.

June 16, 2019

My Sights

My Sights

Save Cool Vacation Destinations!

Try My Sights

Roadside America app
Roadside Presidents app

Washington Latest Tips and Stories

Latest Visitor Tips

Sight of the Week

Sight of the Week

Dahlonega Gold Museum, Dahlonega, Georgia (Jun 10-16, 2019)

SotW Archive

USA and Canada Tips and Stories

More Sightings

Sightings. Arrives without warning. Leaves no burn marks. A free newsletter from RoadsideAmerica.com. Subscribe now!
RoadsideAmerica.com Hotel & Motel Finder

Special rates for hotels.

Nearby Hotels: Renton, Washington

Nightly rates found:

Book Now

 

Favorite Quirky City Sights