Adventure Travel, Inca Trail Trek, Machu Picchu Travel, Peru Travel, Trekking in PeruWill I need to pay an entrance fee for this trek? Posted on August 19, 2013May 6, 2015 by Layna George Most National Parks require an entrance fee, so be prepared. The Inca Trail is the most notable trek that requires a permit. Most treks do not require a permit however. If you have questions, please contact a Detour representative. Trekking Tours Layna George When is the best time to do a trek in Peru? What kind of footwear do I need?