Concrete blocks now fill a space along the Boise Greenbelt near Arid Club, where police said people were camping in a cave.
After the city came to investigate, crews found another concern that could threaten this stretch of the river when flows rise.
WATCH: Boise seals Greenbelt ‘cave,’ plans restoration to prevent flooding damage
Boise seals Greenbelt ‘cave,’ plans restoration to prevent flooding damage
“The actual cave, I think just based on looking at what’s here, it’s probably been here for a while,” city engineer Jim Pardy said…