The power of wireless sensor network technology has provided the capability of developing large scale system for real time monitoring of landslide.This book describes the evolution of a wireless sensor network system for detection landslide. The deployment and data retrieval or collection from geophysical sensor, the design, development and deployment of WSN, and the network requirements of the deployed landslide detection system has been discussed. This book is useful in exploring an alternative solution to long distance data communications between highway at hilly area and the decision making office. This solution utilizes IEEE wireless radio standards and equipment to provide an easy to assemble and disassemble network of nodes that is characterized by flexibility and length of coverage.