Travelers are voting Walla Walla River, Yakima River and Red Mountain as the best of 11 outdoors near Kennewick. There are 3 outdoors near Hermiston a city just 30 km from Kennewick and 12 outdoors near Prosser which is 34 km distant. The most popular of these are Birch Creek near Hermiston and Rattlesnake Hills in Prosser. You can find 621 outdoors in Washington and 17233 outdoors in the country of United States. Our members favorite in Washington is Olympic National Park and Lake Superior is the top pick in United States. Want more? Check out our map of outdoors near Kennewick.