| The landforms of Interior Alaska are dominated by high mountain ranges and wide river flats. The Alaska Range forms the southern boundary of this region and is topped by the continent's highest mountain. The Brooks Range is the at the northern end of the region, and between there are other lesser ranges. The huge Yukon flats and the lesser Tanana, and other river flats are located in spaces between the ranges. The area is drained by the Yukon River with large tributaries including the Tanana, Koyukuk, Porcupine and others. The country is generally forested, with trees giving way to alpine vegetation in the hills and mountains and to the north |
Interior Region
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