The man-made mountain was conceived by Denes in 1982. Measuring 420 meters long, 270 meters wide, 38 meters high, it was planted with 11,000 trees by 11,000 people from all across the globe at the Pinzio gravel pits near Ylojarvi, Finland in 1996. A living time capsule, the land upon which Tree Mountain is planted cannot be touched for 400 years.