Travelers are voting Union Bay Natural Area as the best nature reserve near Seattle. There are 1 nature reserve near St. Helens a city just 123 km from Seattle and 2 nature reserves near Beaverton which is 148 km distant. The most popular of these are Smith And Bybee Wetlands Natural Area near St. Helens and Tualatin Hills Nature Park in Beaverton. You can find 1 nature reserve in Washington and 152 nature reserves in the country of United States. Our members favorite in Washington is Union Bay Natural Area and Weedon Island Preserve is the top pick in United States. Want more? Check out our map of nature reserves near Seattle.