PAD-US—National Inventory of Protected Areas

Fact Sheet 2013-3086
Gap Analysis Project
By:  and 



The Gap Analysis Project produces data and tools that help meet critical national challenges such as biodiversity conservation, renewable energy development, climate change adaptation, and infrastructure investment. The Protected Areas Database of the United States (PAD-US) is the official inventory of public parks and other protected open space. Consisting of more than 7 billion acres in 436,000 land and marine units, the spatial data in PAD–US include areas managed by greater than 30,000 agencies and nonprofit organizations.

Suggested Citation

Gergely, K.J., and McKerrow, A., 2013, PAD-US—National inventory of protected areas (ver. 1.2, December 2020): U.S. Geological Survey Fact Sheet 2013–3086, 2 p.,

ISSN: 2327-6932 (online)

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title PAD-US—National inventory of protected areas
Series title Fact Sheet
Series number 2013-3086
DOI 10.3133/fs20133086
Edition Version 1.0: November 12, 2013; Version 1.1: August 4, 2016; Version 1.2: December 9, 2020
Year Published 2013
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Core Science Analytics, Synthesis, and Libraries, GAP Analysis Project
Description 2 p.
Country United States
Online Only (Y/N) Y
Additional Online Files (Y/N) N
Google Analytics Metrics Metrics page
Additional publication details