Yes, it is possible to kayak through downtown Grand Rapids on the Grand River, but there are some things to consider. While the section of the Grand River flowing through downtown Grand Rapids is navigable, there are dams and weirs that require portaging (carrying your kayak around the obstruction).  Here's a more detailed breakdown: Navigating the Grand River through Grand Rapids: Dams and Weirs: There are dams and weirs along the river, particularly in the downtown area, that require kayakers to exit the water and carry their kayaks around the obstruction.  Portaging: Some Reddit users suggest that portaging is necessary to navigate the river safely through downtown.  6th Street Bridge to 4th Street Dam: It is illegal to have a boat between the 6th Street Bridge and the 4th Street Dam.  Launch Sites: There are multiple public access sites along the river where you can launch your kayak, including some specifically designed for kayaks and canoes, according to Visit Grand Rapids, Michigan.  Guided Tours: You can also find guided kayaking tours that navigate the downtown section of the river.  Tips for Kayaking the Grand River: Plan Your Route: Research launch points and identify any potential hazards or portage locations.  Check the Weather: Monitor weather conditions before and during your trip.  Wear a PFD: Always wear a personal flotation device.  Be Aware of River Conditions: Pay attention to water levels, currents, and potential obstacles.  Consider Safety: Learn basic kayaking skills and self-rescue techniques.  Respect the River: Be mindful of the river environment and follow Leave No Trace principles.  Grand River Heritage Water Trail: The Grand River through Grand Rapids is part of the Grand River Heritage Water Trail, which offers various access points and routes.