Trekking is to make a slow or adventurous journey on foot, especially to hike through mountainous areas. It is the combination of hiking and walking activity done in multi-days trip to rural and mountainous areas with the enjoyment of adventurous and real life scenario. In trekking, backpacking trips consists of at least one night and can last for weeks or months, sometimes aided by planned resupply points or drops. In present days a good backpacker takes in consideration the impact on environment, including staying on established trails, not disturbing vegetation, and carrying garbage out.