|The development of technology is growing very rapidly. Smartphone mushroomed even to remote villages. The ease of use and the variety of useful features can be enjoyed from just one smart phone. One of them as a means of navigation or GPS. Making an application to the navigation system mountaineering slamet bambangan path kab. purbalingga android based mobile aims to help climbers looking for information and as a guide to assist users in preparing the current will climb and while climbing Mount Slamet bambangan path. System development method used by the author in making this system is MDLC (Multimedia Development Life Cycle) version of the Luther-Sutopo which consists of six stages, namely Pengonsepan (concept), Design (design), collection of material (material collecting) and Manufacturing (assembly) , testing (testing), and distribution (distribution). Making these applications using the Eclipse software, to have the achievement of a navigation system application called ascent of Mount Slamet Bambangan path Kab. Purbalingga based Mobile Android
Keyword : Smartphone, Android, GPS.Navigation.