Free unregistered hookups
Then any county/forest service roads could potentially allow dispersed camping. Some highways signal national forest access with brown signs stating just that.
From the national forest access signs, it’s usually a few miles back to the forest, where free camping could be allowed.
A map or info station is commonly at the beginning, letting you know the rules.
Chatting with an underage person is as bad as being underage.If you need a little bit of luxury, consider renting an RV around Denver before you head out.