Keeping It Wild 2 is an interagency strategy to monitor trends in selected attributes of wilderness character based on lessons learned from 15 years of developing and implementing wilderness character monitoring across the National Wilderness Preservation System. This document updates and replaces Keeping It Wild: An Interagency Strategy for Monitoring Wilderness Character Across the National Wilderness Preservation System (Landres and others 2008), and provides a foundation for agencies to develop a nationally consistent approach to implement this monitoring. This monitoring strategy addresses two questions: How do stewardship activities affect attributes of wilderness character? How are attributes selected as integral to wilderness character changing over time within a wilderness, within an agency, and across the National Wilderness Preservation System? The primary audiences for the information from this monitoring are agency staff who manage wilderness day-to-day, and regional and national staff who develop wilderness policy and assess its effectiveness. The results of this monitoring will provide these staff some of the key data they need to improve wilderness stewardship and wilderness policy. Keeping It Wild 2 is designed to be nationally consistent across the four wilderness managing agencies and locally relevant, to be cost-effective, and to facilitate communication across the many resource programs that are responsible for preserving wilderness character. Implementing this monitoring strategy does not guarantee the preservation of wilderness character, but it informs and improves wilderness stewardship, and ensures managers are accountable to the central mandate of the 1964 Wilderness Actóto preserve wilderness character.