9 mile marker Boulder Colorado

What are those pillars at the City of Boulder border?

On the Northwest corner of Arapahoe Road and US 287 in Boulder, Colorado, stand two large sandstone pillars. For years I have wondered why these pillars were built. They sit right on the west border of Boulder, Colorado. You can tell they are old and not maintained. Come along with us as we take you to the pillars and tell their story.

Click here to hear their story