San Juan Island National Historical Park

Charlie Kahana

Edward Warbass

Henry Cayou

Henry Martyn Robert

Jim Crook

Jimmie Pickett

Po`alima (Peter Friday)

Silas Casey

Wind-driven waves and abnormally high sea levels contributed to hundreds of millions of dollars in flood and storm damage in the San Francisco Bay region, including Point Reyes National Seashore, Golden Gate National Recreation Area, and Pinnacles National Monument. In addition to California, the 1997–1998 El Niño and the following 1998–1999 La Niña severely impacted the Pacific Northwest, including many National Park System units.

The American Camp cultural landscape is a site in the southeast corner of San Juan Island within the San Juan Island National Historical Park. The site is significant as the location of a United States Army camp during the joint occupation of the island by British and American Troops from 1859 to 1874. The cultural landscape also includes the sites of the Hudson’s Bay Company agricultural outpost, Bellevue Farm, and San Juan Town.

Anna Pike Rosler, a Tsimshian woman, and her German immigrant husband built a farmhouse on San Juan Island in the 1890s. The farmhouse, and a stunning elm tree that Rosler planted next to it, have stood for over five generations, a testament to the enduring legacy created by the combination of two cultures and the love between Anna and Christopher. Anna’s unbending will kept the home and encompassing lands in the family.

Eleven bat species occur in North Coast Cascades Network Parks. Each species is unique, except that they're all facing threats of some kind in their environments. Learn more about how scientists study bats and what you can do to help.

Bees are some of the most abundant and important pollinators in the world – especially in mountainous environments. Despite the importance of bees in our natural environments, many national parks do not know what species live within their boundaries. In 2016, to celebrate the Centennial of the National Park Service, North Coast and Cascades national parks focused on inventories of pollinators, including bees.

A comprehensive list of butterfly species found in Mount Rainier National Park, North Cascades National Park Complex, Olympic National Park, and San Juan Island National Historical Park.

There are two very obvious, large slugs species on San Juan Island: the native banana slug and an invasive European slug. Dr. Erika Iyengar and her students from Muhlenberg College have been studying slugs in San Juan Island National Historical Park for the last four years. Their research is focused on food and habitat preferences for each species and how climate change may impact their future ecology.

JULY 2023 – Saani Borge, a Mosaics in Science intern at San Juan Island National Historical Park, is responsible for a new generation of Very Hungry Caterpillars. Island marble caterpillars, to be precise—an endangered species found only on San Juan Island. As they mature and transform from tiny orange eggs to voracious larvae, scientists working with the captive rearing program coax them gently toward adulthood, and a brighter future for their species.