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Trekking El Mamey to Casa Adan

Autism Jersey Trek to the Lost City 10 days Colombia


About the Challenge

The Sierra Nevada de Santa Marta mountains, declared a Biosphere Reserve by UNESCO in 1979, run through Colombia and end close to the Caribbean Sea on the north coast. They are cloaked in dense tropical rainforest, which hides the ruins of Teyuna, dating back some 1500 years, and more famously known as the Lost City.

As the world gets smaller it becomes harder to visit places before they become a tourism hotspot, but our Lost City trek gives us the opportunity to do just that. To reach the 1200 ancient stone steps that lead up to the city, we trek on steep, sometimes overgrown and muddy trails, through lush jungle and river valleys, crossing clear streams. En route we pass indigenous Kogui communities, descendants of those early builders; we sleep near these settlements in hammocks.

After time to explore the uncrowded ruins and marvel at what would have been here in years gone by, we return and head to colonial Cartagena, with a stunning Caribbean backdrop, this is a tough trek full of natural beauty and cultural discovery, and is guaranteed to be a trip of a lifetime!

Dates & Prices


Dates & Prices


  • Scheduled return flights from London Heathrow
  • All accommodation in hotels (twin-share) and fixed camps (dorm-style)
  • All in-country transport
  • Most meals (exceptions detailed in itinerary)
  • Celebration meal
  • Discover Adventure Mountain Leader
  • Discover Adventure Doctor
  • Local guides, cooks, drivers etc
  • Fuel Supplement (approx. £280)


  • Meals as detailed in itinerary
  • Personal travel insurance (to cover personal injury, cancellation/curtailment, lost items etc

Fundraising Target

- £1000 (this amount is included in the pricing structure on the payment page)

- Autism jersey receive 100% of the fundraising target.


Payment plans

- £500 registration fee on booking

- 30th december 2023 - 80% of fundraising target due (10 weeks prior to departure)

- remainder of fundraising target to be paid within 2 weeks of return

- Isla Baru extension available






    Detailed Information

    • Your safety, and that of the rest of the group, is our highest priority. Our trips are designed and planned with safety in mind. Your crew will be equipped with communication devices (eg phones, radios and/or emergency satellite phones), medical kit and other safety apparatus appropriate to the destination. Our leaders always have access to our 24-hour emergency UK back-up. They are responsible for safety on the trip, and will make any changes to the itinerary they deem necessary, should local conditions dictate. Pre-trip administration - such as medical questionnaires and travel insurance as appropriate - is all done with your safety in mind.

    Preparing for the Challenge

    • We plan our trips around the optimal weather conditions, but could still be exposed to bad weather at any time. It is vital you are prepared for all conditions. We provide you with a detailed packing kit-list on registration, with plenty of information, and we are always available if you need advice.

    • We have a Passenger Portal which will give you more details of the challenge itself. It also enables you to see any outstanding information we need, the countdown to your challenge departure, see your outstanding balance, make payments and update your contact details. You can access this via the following link - Passenger Portal Log in.