Based on the latest information available, the US 50 Fremont County boat ramp in Colorado is a concrete boat ramp that is approximately 20 feet wide. This ramp provides access to the Arkansas River, which is a popular destination for fishing, kayaking, and other water-based recreational activities. The Arkansas River is home to a variety of fish species, including brown trout, rainbow trout, and cutthroat trout. The watercraft permitted on the Arkansas River vary depending on the specific stretch of river being accessed, but generally include small motorized boats, kayaks, canoes, and rafts. It is recommended that visitors check with local authorities for any specific regulations or restrictions regarding watercraft on the Arkansas River. Get driving directions.