Trek Guide (TG) is a mobile app with a huge store-house of information for trekkers. Also it is available even when no internet connection is available. It helps trekker plan the trekking right before the start of the trail. He can get the duration, hotels, stores, transportation and communication medium, weather information all through this app. And moreover, it will stay with the trekker during the entire trek period. The GPS system integrated will never let the trekker get lost in the woods and the help lines available will always reach him at the time of mishap.