Travelers are voting Mason Lake, Capitol Lake and Green Mountain as the best of 18 outdoors near Union. There are 18 outdoors near Union a city just 35 km from Union and 20 outdoors near Hoodsport which is 36 km distant. The most popular of these are Mason Lake near Union and Green Mountain in Hoodsport. You can find 625 outdoors in Washington and 17298 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 Union.