Hydrology
The south and east sides of the range are largely within the Colorado River watershed, including the Blacks Fork and the Duchesne River, which are tributaries of the Green River. The Green is a major tributary of the Colorado River and flows in a tight arc around the eastern side of the range.
The Bear and Weber rivers, the two largest tributaries of Great Salt Lake, are born on the west slope of the range. The Provo River, the largest tributary to Utah Lake, begins on the southern side of the range and flows west to Utah Lake, which itself drains via the Jordan River into Great Salt Lake.
Large portions of the mountain range receive over 40 inches (100 cm) of precipitation annually. The high Uintas are snowcapped year-round except for late July through early September. The Uinta Mountains have more than 400 miles (640 km) of streams and 1,000 lakes and ponds.
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