Estivant Pines is a nature sanctuary is located four kilometers (2. 5 miles) south of Copper Harbor, Michigan. Copper Harbor is a small Unincorporated community in northeastern Keweenaw County in the U Michigan ( is a Midwestern state of the United States of America. The 1. 6-km² (400 acre) nature sanctuary is home to the oldest living Eastern White Pine trees in Michigan, several of which more than 38 meters (125 ft) tall, and more than 200 years old. Eastern White Pine' ( Pinus strobus) is a large Pine native to eastern North America, occurring from Newfoundland west to Minnesota It is also the home of many unique animals and rare plants. The area contains two foot trails, namely Memorial Grove, a 2. 25-km (1. 4-mile) trail, and Cathedral Grove a 2. 4-km (1. 5-mile) path. These trails are open to the public year round, accessible by automobile in the summer and snowshoe in the winter.