The Jack London State Historic Park is a state park and historic site in Glen Ellen, California. It is best noted for its relation to Jack London, an author, social activist and journalist.

The Jack London State Historic Park was once the home of Jack London and his family. He moved in the property in hopes of becoming a rancher and built a mansion that he called the Wolf House. After he died, his wife Charmian got the property and she built a smaller house known as the House of Happy Walls.

When she died, she willed that the house to be turned into a museum that honors her husband. This was the start of the historic state park?s establishment.