A self-guided walking tour of Chichen Itza lasts for 1–2 hours, depending on how long you spend at each stop and your pace. You will have plenty of time to soak up all of the histories at this fascinating landmark of Mexican history.
The short answer is yes; you can hire a guide. We suggest a self-guided Chichen Itza tour - a tour guide but in the form of an app that guides you through Chichen Itza and delivers exhaustive information at each stop.