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Wireless Sensor Networks are highly susceptible to attacks because of their open and distributed network structure as well as limited resource on the nodes. WSNs are used in critical monitoring and tracking applications. Therefore, routing protocols for such networks should take into consideration the trustworthiness of and the energy available on sensor nodes. The paper describes location based riuting protocol that use different metrics for making routing decision. TER (Trust and Energy aware Routing protocol) is a location-based, trust and energy-aware, routing protocol for Wireless Sensor Networks. The protocol uses distance, trust and energy as metrics when choosing the best path towards the destination.