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The Mountain Climber's Health Tracking System is an embedded IoT-based solution designed to monitor and track the vital health parameters and real-time location of climbers in extreme environments. This project uses the STM32F446RE microcontroller as the core processing unit, interfacing with a MAX30100 sensor for heart rate and SpO2 monitoring, a DHT22 sensor for ambient temperature and humidity detection, and a NEO-6M GPS module for geolocation tracking. An LCD display is used to provide real-time feedback to the user, while the Wi-Fi module enables wireless communication to transmit data to a central monitoring system or cloud platform like Thing Speak. The primary goal is to ensure the safety and well-being of mountain climbers by providing real-time health updates and location tracking, which is critical during emergencies such as altitude sickness or accidents. The system can trigger alerts if abnormal health parameters are detected, allowing for timely intervention. Data is transmitted over UART and processed in a companion system such as the Rugged Board A5D2X, enhancing portability and ruggedness for harsh mountain conditions. This system demonstrates an effective fusion of biomedical sensing and GPS technology with embedded systems, offering a scalable and reliable solution for outdoor health monitoring