The C-470 Centennial Bike Trail most likely refers to the C-470 Bikeway, also known as the C-470 Trail or Centennial Trail in some areas. It is a paved path that closely follows the C-470 highway around the Denver metro area, specifically in the Southern and Southwestern parts.
This cache has easy access from the bike trail.
Cachey grabbey.
BYOP
Good luck and have fun!!
FTF goes to Kroozer on 8/14/25
STF (Second to Find) goes to Hoopsloth on 8/15/25