Contact us for More Information. Since 1994,Adventure Rents Canoes & Kayaks has been outfitting boaters for paddling adventures on the peaceful and pristine Gualala River whose lower reaches form the boundary between Sonoma and Mendocino Counties We are located in Northern California on the Redwood Mendonoma Coast,on Shoreline Highway One in the village of Gualala . We are about a 2-4 hour drive from the greater San Francisco Bay area,Sacramento,Stockton and San Jose. Adventure Rents Canoes & Kayaks outfits individuals to large groups of all ages,sizes and skill levels. Dogs are welcome,too! Large groups can also be accommodated with guides and/or catered river picnics.