The document provides an itinerary for a YMCA Singapore group trekking expedition to Mount Semeru in East Java, Indonesia from September 10-14, 2014. 10 key details are included: travel from Singapore to Surabaya, transportation to the Kalianndra Sejati Eco Resort base camp, a 3-day trekking itinerary including routes and activities, and return travel plans from Surabaya to Singapore. Contact information is listed for 2 trip leaders and the YMCA Singapore coordinator.