Designated trail
Mason-Dixon Trail MDT
Mason-Dixon Trail System · Pennsylvania, Maryland, Delaware, United States
- Published length
- 311 km193 mi193 mi, from the Keystone Trails Association page
- Measured line
- 325.4 km202 mi+4.6% against published
- Line
- In the datasetLicence: ODbL 1.0
- Tier
- RegionalA long trail of 80 km (50 mi) or more
The map needs JavaScript. Download the line from this page.
- Main line
Line: OpenStreetMap, read 2026-11-10, drawn simplified to 30 m. Credit: © OpenStreetMap contributors (ODbL). Base map: OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.
The record
- Kind
- Designated trailDesignated, maintained and published as one trail by a land agency or a trail association
- Designation
- Mason-Dixon Trail System
- Tier
- RegionalA long trail of 80 km (50 mi) or more
- Listing
- First setIn the first set of trails
- Published length
- 311 km193 mi193 mi, from the Keystone Trails Association page. A check value, not measured from the line.
- Short name
- MDT
- Record ID
mason-dixonStable: the directory name, never changed
Verification Checked 2026-11-10
- Measured
- YesThe line was downloaded and measured
- Published
- 311 km193 mi
- Measured
- 325.4 km202 migeodesic, from the line
- Difference
- +4.6%measured minus published
- Parts
- 4pieces left after joining ends within 100 m
OSM relation 1820324, 691 ways: 325.4 km in 4 parts, 4.6% more than the published 311 km. The pieces do not all join: OpenStreetMap is missing the connectors between them.
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
- Mason-Dixon Trail System (publishes the trail; no open geometry found)
- Publisher’s page
- https://www.masondixontrail.org/
- Source
- https://www.openstreetmap.org/relation/1820324Where to ask for the line: a layer or relation page
- Line source
- OpenStreetMap
- Format
- OpenStreetMap route relation, read through Overpass with all member ways
- Main line
- OSM relation 1820324: one route relation, main ways only.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
- 2026-11-10
- Newer release?
- osm-relation-version: Overpass
rel(1820324); 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 2026-11-10). The line included here is from OpenStreetMap, relation 1820324.
With the page it was read on. Not legal advice.
OpenStreetMap
- Relation
- 1820324
- Note
- Downloaded 2026-11-10; 691 ways in the main line. release.txt has the source and date.
Logo
Logo not found. No logo is included. Ask the trail's holder before using its mark.
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 | mason-dixon |
name | Mason-Dixon Trail |
short_name | MDT |
country | US |
regions[0] | PA |
regions[1] | MD |
regions[2] | DE |
length_km | 311 |
length_note | 193 mi, from the Keystone Trails Association page |
tier | regional |
designation | Mason-Dixon Trail System |
wave | 1 |
source.status | osm-only |
source.publisher | Mason-Dixon Trail System (publishes the trail; no open geometry found) |
source.publisher_url | https://www.masondixontrail.org/ |
source.url | https://www.openstreetmap.org/relation/1820324 |
source.discovery | osm-relation-version: Overpass `rel(1820324); out meta;` (version and timestamp), or the Geofabrik replication diff; fetch again when it changes |
source.format | OpenStreetMap route relation, 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 2026-11-10). The line included here is from OpenStreetMap, relation 1820324. |
source.attribution | OpenStreetMap contributors (ODbL) |
source.osm_only | true |
source.mainline | OSM relation 1820324: one route relation, main ways only. |
source.source_checked | 2026-11-10 |
source.redistributable | true |
source.line_source | OpenStreetMap |
source.line_file | line.geojson |
osm.relation | 1820324 |
osm.note | Downloaded 2026-11-10; 691 ways in the main line. release.txt has the source and date. |
shield.status | logo-not-found |
shield.logo_source | "" |
shield.contact | Mason-Dixon Trail System |
shield.note | No logo is included. Ask the trail's holder before using its mark. |
shield.logo_file | "" |
shield.logo_owner | Mason-Dixon Trail System |
verification.verified | true |
verification.date | 2026-11-10 |
verification.measured_km | 325.4 |
verification.difference_percent | 4.6 |
verification.parts | 4 |
verification.note | OSM relation 1820324, 691 ways: 325.4 km in 4 parts, 4.6% more than the published 311 km. The pieces do not all join: OpenStreetMap is missing the connectors between them. |