Arajuno (pronounced ar-a-HOO-no) is a jungle community in the Ecuadorian rainforest. It is also a Canton (political subdivision) in the Pastaza Province. It is located on the Arajuno River, a tributary of the Curaray. The area is inhabited by Quichua Indians.^{[citation needed]}

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Arajuno was built by the Shell Oil Company as a base to conduct prospecting in the area. The company employed many Quechuas to build an airstrip (ICAO: SEAR) and buildings. Shell abandoned Arajuno in 1948 when the company decided to discontinue its prospecting in Ecuador.^{[citation needed]}

In the 1950s, Arajuno was used as a mission base by missionary Ed McCully.^{[citation needed]}

The airstrip was needed because it was not until the late 20th century that Arajuno was accessible by road. The road to Arajuno remains a difficult ride, and it is common for people to seek other methods of transportation even today.^{[citation needed]}

Today, it is the location of the Arajuno Jungle Lodge, a privately owned and operated resort.^[1] The Arajuno Road Project also operates in the schools along the road to Arajuno, supplying educational and sporting equipment and offering volunteer opportunities to assist in enhance local education.^{[citation needed]}