Creates the River Access Modernization Act. Affirms the public's right to use navigable and recreationally suitable waters for canoeing, boating, kayaking, and angling, subject to protection of private property rights and environmental values. Provides that the public right of use does not include crossing private uplands or exiting onto private land without permission. Establishes landowner liability protections. Prohibits littering and alteration of flora and fauna. Grants rulemaking authority to the Department of Natural Resources to designate public access points, resolve conflicts, promote safety and conservation education, and maintain a listing of navigable waterways. Defines "navigable water" and "public recreational use".