📜 Ancient abandoned city in Colombia's Sierra Nevada mountains.🔍 Discovered in the 1970s, it's known as the 'Lost City' or 'Teyuna' by indigenous people.# Why Go⛰️ Explore impressive ruins of a massive ancient city amidst tropical forest🚶 Undertake a challenging 27-mile hike through wild nature🌿 Experience a biodiverse region preserved by indigenous communities🤫 Discover a significant archaeological site kept secret by indigenous descendants🏞️ Enjoy stunning views and natural pools in mountain rivers# Why Avoid⚠️ Demanding multi-day trek requires high physical capability🚫 Access is only permitted with a certified guide🦟 Inhospitable climate with potential for disease-bearing mosquitoes# Tips🎒 Pack light, as you carry your own backpack for days🗺️ Consider Wiwa Tours, run by original inhabitants🛡️ Military presence ensures visitor safety due to past incidents# Cost💰 Tours from €599 for 3-5 days, though costs vary by operator and duration (4-6 days).# Hours🕒 Open to visitors, typically as part of multi-day guided treks.