Ice Age Trail

This layer is hosted by Wisconsin DNR, and reflects Ice Age Trail updates received from the Ice Age Trail Alliance on March 31, 2026. This layer is typically updated approximately every two months and is primarily for the purpose of DNR staff use and public download from DNR"s Open Data Portal. For the most current Ice Age Trail layer, see the Ice Age Trail Alliance's official layer. Contact Tiffany Stram ([e-mail]) GIS/Technology Specialist at Ice Age Trail Alliance with any questions about the official layer. For the official depiction of Ice Age Trails in Wisconsin, see see Ice Age National Scenic Trail Existing Sections - Official Layer. This layer's data includes lines representing existing sections of the Ice Age National Scenic Trail. This layer is a combination of GPS and digitized data, merged to represent one complete data layer for the IAT. The data was developed by the Ice Age Trail Alliance (IATA) in cooperation with the National Park Service's Ice Age Trail Office.本图层由威斯康星州自然资源部（Wisconsin Department of Natural Resources, DNR）托管，收录了2026年3月31日从冰河时代步道联盟（Ice Age Trail Alliance）获取的冰河时代步道更新数据。本图层通常每两个月更新一次，主要供DNR工作人员使用，并可从DNR开放数据门户供公众下载。如需获取最新版冰河时代步道图层，请参阅冰河时代步道联盟的官方图层。若对该官方图层有任何疑问，请联系冰河时代步道联盟的GIS/技术专员蒂芙尼·斯特拉姆（Tiffany Stram），邮箱：[e-mail]。如需查看威斯康星州境内冰河时代国家风景步道的官方图示，请参阅《冰河时代国家风景步道现有路段——官方图层》（Ice Age National Scenic Trail Existing Sections - Official Layer）。本图层的数据包含代表冰河时代国家风景步道现有路段的线状地理要素。本图层由GPS数据与数字化数据融合而成，旨在为冰河时代步道（IAT）构建一套完整的统一数据图层。本数据集由冰河时代步道联盟（Ice Age Trail Alliance, IATA）与美国国家公园管理局冰河时代步道办公室合作开发完成。