The Grand River is a significant waterway that flows through southern Iowa and northern Missouri, eventually joining the Missouri River. Originating in southern Iowa, the river flows southward for approximately 226 miles before its confluence with the Missouri River near Brunswick, Missouri. The Grand River Water Trail in Iowa offers paddlers a scenic 72-mile journey through the southern part of the state. Beginning at the Westerville Access in northern Decatur County, the trail winds through picturesque countryside before reaching Davis City Park. This section is rated as Class II, providing some mild rapids and riffles that are suitable for intermediate paddlers. The trail features six access points, allowing for flexible trip planning.

As the river enters Missouri, it becomes wider and more placid, offering excellent opportunities for flatwater paddling. The section from Chillicothe to Sumner (about 30 miles) is particularly popular among kayakers and canoeists. Another notable stretch runs from Bosworth to Brunswick (approximately 20 miles), classified as Level 1 difficulty and ideal for beginners or those seeking a leisurely float.

The Grand River is best paddled in spring and early summer when water levels are typically higher. Late summer and fall can see lower water levels, potentially exposing sandbars and increasing the likelihood of encountering obstacles.

Wildlife enthusiasts will appreciate the diverse ecosystem along the river. The area is home to various fish species, making it a popular destination for anglers. Birdwatchers may spot herons, eagles, and other waterfowl.

Key access points in Iowa include the Westerville Access and Davis City Park. In Missouri, popular put-in and take-out locations can be found near Chillicothe, Sumner, Bosworth, and Brunswick. These towns also serve as convenient resupply points for multi-day trips.

The Grand River holds historical significance, particularly in Missouri. In Brunswick, paddlers can visit Lewis and Clark's Official June 13, 1804 Campsite, offering a glimpse into the area's rich exploration history.

Safety considerations include checking water levels before trips, being aware of potential logjams or strainers, and following local regulations regarding life jackets and river usage. Multi-day trips are possible, especially on the Missouri stretch, with several small towns along the river providing camping opportunities and supplies.

Overall, the Grand River offers a range of paddling experiences, from mild whitewater in Iowa to peaceful flatwater floats in Missouri, making it an attractive destination for paddlers of various skill levels.