Complex sentence: The Bear River is the largest tributary of the Great Salt Lake, draining a mountainous area and farming valleys northeast of the lake and southeast of the Snake River Plain in southwestern Wyoming, southeastern Idaho, and northern Utah, in the United States.
Split into simpler sentences: The Bear River is the largest tributary of the Great Salt Lake, draining a mountainous area and farming valleys northeast of the lake and southeast of the Snake River Plain. It flows through southwestern Wyoming, southeastern Idaho, and northern Utah, in the United States.