Check that waterfall!
Roughly below the parking lot for the Rose Garden.
Both portals get clogged with ice in the winter. In the summer, the ceiling is always dripping. Mamiya GA645 / Kodak Pro 400
Chester Creek, where it was forced to dip below the circa-1970s I-35 tunnels.
The upper sections of Brewery Creek have stone floors and brick ceilings. It’s beautiful–for a sewer.