National Scenic Trail

Ice Age National Scenic Trail IAT

National Scenic Trail (1980) · Wisconsin, United States

Published length: 1,931 km1,200 miabout 1,200 mi planned; fewer built
Measured line: 1,141.0 km709 mi−40.9% against published
Line: In the dataset, partialLicence: ODbL 1.0
Tier: National Scenic TrailA United States National Scenic Trail

The map needs JavaScript. Download the line from this page.

Main line
Alternates and connectors

Line: OpenStreetMap, read 2026-11-09, drawn simplified to 30 m. Credit: © OpenStreetMap contributors (ODbL). Base map: OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.

Download the line

Partial line

The line in the dataset measures 1,141.0 km against a published 1,931 km (−40.9%).

The trail is not finished: OpenStreetMap's segment relations map the built trail, 1,141.0 km in 89 parts against 1,931 km (about 1,200 mi) planned. The connection relations, 872.5 km of connecting route and road walk, are in alternates.geojson.

GPX is simplified to 5 m for devices. GeoJSON is the full-resolution line as published in this dataset. Neither carries elevation.

Main line1,141.0 km measured in 89 parts · OpenStreetMap

Main line: GPX, 775 KB Main line: GeoJSON, 1.3 MB
Alternates and connectorsServed separately by the source

Alternates and connectors: GPX, 206 KB Alternates and connectors: GeoJSON, 646 KB

Credit the source

Licence: ODbL 1.0

Lines from OpenStreetMap need the credit “© OpenStreetMap contributors” and stay under the ODbL (share-alike).

release.txt: the source, licence and date the line files came from.

The record

Kind: Designated trailDesignated, maintained and published as one trail by a land agency or a trail association
Designation: National Scenic Trail (1980)
Tier: National Scenic TrailA United States National Scenic Trail
Listing: First setIn the first set of trails
Inclusion: Listed unconditionallyEvery National Scenic Trail is listed
Where: WI (Wisconsin), United States
Published length: 1,931 km1,200 miabout 1,200 mi planned; fewer built. A check value, not measured from the line.
Short name: IAT
Record ID: ice-ageStable: the directory name, never changed

Verification Checked 2026-11-09

Measured: YesThe line was downloaded and measured

Published: 1,931 km1,200 mi
Measured: 1,141.0 km709 migeodesic, from the line
Difference: −40.9%measured minus published
Parts: 89pieces left after joining ends within 100 m

Within 15% of the published length Beyond 15%: the record must say why

The built segments give 1,141.0 km in 89 parts, 40.9% short of 1,931 km planned. The 81 'connection' relations (872.5 km) are in alternates.geojson.

Why the lengths differ: see the notice in Download the line.

Source and licence

Line in this dataset: line.geojsonThe main line file of the record
Source status: OpenStreetMap onlyThe only source is an OpenStreetMap route relation
Publisher: Ice Age Trail Alliance for the National Park Service
Publisher’s page: https://services.arcgis.com/EeCmkqXss9GYEKIZ/arcgis/rest/services/IAT_Segments_CR/FeatureServer/0
Source: https://www.openstreetmap.org/relation/2381423Where to ask for the line: a layer or relation page
Line source: OpenStreetMap
Format: OpenStreetMap super-relation 2381423 with its 219 sub-relations, read through Overpass with all member ways
Main line: Super-relation 2381423 holds 138 segment relations in the main role; the 81 relations marked 'connection' (the connecting routes and road walks between segments) are in alternates.geojson.How the main line is told apart from alternates, connectors and side trails
Coordinates: EPSG:4326What the source stores; published files are longitude/latitude (EPSG:4326)
Licence: ODbL 1.0
Credit: © OpenStreetMap contributors (ODbL)The credit line to show, as the source asks
May be passed on: YesThe source's terms allow its line to be passed on
OpenStreetMap only: YesOpenStreetMap is the only source of the included line
Source checked: 2026-11-09
Newer release?: osm-relation-version: Overpass rel(2381423); out meta; (version and timestamp), or the Geofabrik replication diff; fetch again when it changesHow to tell whether the source has a newer release

What the source says

OpenStreetMap contributors, ODbL 1.0 (share-alike). Credit: © OpenStreetMap contributors. The OpenStreetMap copyright page states: 'You are free to copy, distribute, transmit and adapt our data, as long as you credit OpenStreetMap and its contributors.' (https://www.openstreetmap.org/copyright, read 2026-11-09). The line included here is from OpenStreetMap, relation 2381423. The publisher's own line is not licensed for redistribution and is not used.

With the page it was read on. Not legal advice.

OpenStreetMap

Relation: 2381423
Note: Super-relation 2381423 with 219 sub-relations; 138 in the main role and 81 marked 'connection'. Downloaded 2026-11-09.

Logo

Shown only to identify the trail

This logo belongs to Ice Age Trail Alliance (iceagetrail.org); NPS. It is not covered by this dataset’s licences, and no right to use it for any other purpose is given or implied.

Some logos are official emblems of United States National Scenic or Historic Trails. Those emblems are federal insignia; their use here is for identification only.

A holder who wants a logo removed, replaced or credited differently can ask; see Logos.

Status: Logo in useThe trail has a logo
Holder: Ice Age Trail Alliance (iceagetrail.org); NPS
Taken from: https://iceagetrail.org/
File: shield.png
Note: Federal Register notice of 2000-03-28 established the Ice Age marker as federal insignia; use needs NPS permission. The Alliance has its own marks.

Every field of the record, with its exact value

As stored in trail.toml. The record schema says what each field means.

Field	Value
`id`	ice-age
`name`	Ice Age National Scenic Trail
`short_name`	IAT
`country`	US
`regions[0]`	WI
`length_km`	1931
`length_note`	about 1,200 mi planned; fewer built
`tier`	national
`designation`	National Scenic Trail (1980)
`wave`	1
`inclusion`	nst-unconditional
`source.status`	osm-only
`source.publisher`	Ice Age Trail Alliance for the National Park Service
`source.publisher_url`	https://services.arcgis.com/EeCmkqXss9GYEKIZ/arcgis/rest/services/IAT_Segments_CR/FeatureServer/0
`source.url`	https://www.openstreetmap.org/relation/2381423
`source.discovery`	osm-relation-version: Overpass `rel(2381423); out meta;` (version and timestamp), or the Geofabrik replication diff; fetch again when it changes
`source.format`	OpenStreetMap super-relation 2381423 with its 219 sub-relations, read through Overpass with all member ways
`source.crs`	EPSG:4326
`source.licence`	ODbL-1.0
`source.licence_text`	OpenStreetMap contributors, ODbL 1.0 (share-alike). Credit: © OpenStreetMap contributors. The OpenStreetMap copyright page states: 'You are free to copy, distribute, transmit and adapt our data, as long as you credit OpenStreetMap and its contributors.' (https://www.openstreetmap.org/copyright, read 2026-11-09). The line included here is from OpenStreetMap, relation 2381423. The publisher's own line is not licensed for redistribution and is not used.
`source.attribution`	OpenStreetMap contributors (ODbL)
`source.osm_only`	true
`source.mainline`	Super-relation 2381423 holds 138 segment relations in the main role; the 81 relations marked 'connection' (the connecting routes and road walks between segments) are in alternates.geojson.
`source.source_checked`	2026-11-09
`source.redistributable`	true
`source.line_source`	OpenStreetMap
`source.line_file`	line.geojson
`source.length_gap_note`	The trail is not finished: OpenStreetMap's segment relations map the built trail, 1,141.0 km in 89 parts against 1,931 km (about 1,200 mi) planned. The connection relations, 872.5 km of connecting route and road walk, are in alternates.geojson.
`osm.relation`	2381423
`osm.note`	Super-relation 2381423 with 219 sub-relations; 138 in the main role and 81 marked 'connection'. Downloaded 2026-11-09.
`shield.status`	use-real-logo
`shield.logo_source`	https://iceagetrail.org/
`shield.contact`	Ice Age Trail Alliance (iceagetrail.org); NPS
`shield.note`	Federal Register notice of 2000-03-28 established the Ice Age marker as federal insignia; use needs NPS permission. The Alliance has its own marks.
`shield.logo_file`	shield.png
`shield.logo_owner`	Ice Age Trail Alliance (iceagetrail.org); NPS
`verification.verified`	true
`verification.date`	2026-11-09
`verification.measured_km`	1141.0
`verification.difference_percent`	-40.9
`verification.parts`	89
`verification.note`	The built segments give 1,141.0 km in 89 parts, 40.9% short of 1,931 km planned. The 81 'connection' relations (872.5 km) are in alternates.geojson.