This research is an exploratory research that focuses on how to analyze locations in northern East Java to be used as natural laboratories in the Internship course in the Geography Education Masters Study Program. The data collection technique is in the form of observation, which is reinforced by documentation and literature study to examine natural laboratory locations. The results of the research are identification of requirements and identification of geographic natural laboratory locations, identification of potentials and identification of strategies for internship activities. Several locations such as Mushroom Hill (Gresik Regency), Tanjung Kodok Beach, Maharani Cave, Bonorowo (Lamongan), Ngerong Cave, Maibit Baths (Tu-ban), and Kayangan Api (Bojonegoro) have the potential to become natural laboratories in the internship course of the Masters Study Program Geography Education. This potential is supported by several things such as: complete karst lithology phenomena, locations close to affordable infrastructure, unique social, cultural and economic conditions of the community, as well as well-developed geotourism activities