American River
The North Fork is the longest tributary of the American River, at . It begins at an elevation of about near Lake Tahoe in Placer County at Mountain Meadow Lake, just northeast of Granite Chief and immediately due west of Squaw Valley Ski Resort. It flows westward through remote wilderness areas.
South Fork Spring River
The South Fork Spring River (commonly South Fork of the Spring River or simply South Fork River) is a tributary of the Spring River, roughly long, in southern Missouri and northern Arkansas in the United States. The river flows through the Salem Plateau of the Ozarks and it is part of the Spring River Tributaries Watershed.