Big Muddy River River, Casey Creek, the Middle Fork of the Big Muddy and Crab Orchard Creek. Smaller tributaries include Town Creek, Kinkaid Creek, and Shoal Creek. The basin includes Kinkaid Lake, Rend Lake, Crab Orchard Lake, Devil's Kitchen Lake, Little Grassy Lake and Cedar Lake. The northern limit of the watershed is north of Kell, about into Marion County. This is on Casey Creek, which might be properly considered the main reach of the river. Cities and towns in the Big Muddy watershed include: The Big Muddy drains areas of the following counties: Big Muddy River The Big Muddy River is a
Big Thompson River tributary flows east, through the town of Glen Haven, where it merges with the Big Thompson River in the town of Drake, in the Big Thompson Canyon. From Lake Estes, the river descends 1/2 mile (800 m) in elevation through the mountains in the spectacular 25 mi (40 km) Big Thompson Canyon, emerging from the foothills west of Loveland. It flows eastward, south of Loveland across the plains into Weld County and joins the South Platte approximately 5 mi (8 km) south of Greeley. It receives the Little Thompson River approximately four mi (6 km) upstream from its mouth. Water