Tengboche Monastery, a prominent spiritual center in the Everest region, is primarily accessible via a multi-day trek from Lukla, requiring good physical fitness; there are no roads. While possible to visit solo with permits, a guided visit or porter is highly recommended for safety, navigation, and cultural insights, especially given the challenging terrain and altitude. The best times to visit are during the pre-monsoon (March-May) and post-monsoon (September-November) seasons for stable weather and clear views, as winter can be extremely cold with heavy snow and monsoon brings rain and leeches. The approximate cost is part of a larger trekking budget, including Lukla flights (around $350-400 RT), permits ($50+), accommodation and food ($50-100+ per day), and guide/porter fees ($30-70+ per day if hired), with the monastery itself accepting donations. A typical visit to the monastery takes 1-2 hours, often as an overnight stop during a 10-14 day Everest Base Camp trek. Visitors can observe prayer ceremonies (Pujas) and should dress respectfully, while also being mindful of altitude sickness, making acclimatization essential.