Data 4 MT

Data / Access

Public land access

Public land parcels classed by legal public access: open from a public road, corner-locked, or landlocked.

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About this data

Published by
Derived by Data 4 MT from BLM, USFS, DNRC and county road data
Method
Each public tract is tested against public roads and other public land; DNRC’s official access ratings are used where they exist.
Update frequency
Quarterly
Last updated
Oct 6, 2026
Records
11,163
Coverage
Federal and state trust land statewide.
Records in 56 of 56 counties.

Known gaps

County road easements are incomplete; an “estimated” status is our calculation, not an agency ruling.

Summary

26,244,301
acres open from a public road
890,196
acres with no legal public access
524,272
acres corner-locked
6,052
acres one easement could open

Preview

The newest or first 500 records. Click a column heading to sort. Use the filter to find a place or a name.

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Fields

FieldColumnDescription
StatusstatusAs the source reports it.
Sourcesource
Agencyagency
AcresacresGIS acres.
Countycounty
Distance to public road (m)road_m
Cornercorner

Downloads and links

Data 4 MT is an index of public records. It republishes only what Montana and federal agencies make public, with a link to the source on each record. People are shown as “Private individual” on public pages and downloads; companies, trusts held by institutions, and governments keep their names. No document images, sale prices, voter, MVD or wildlife-telemetry data are stored. Verify any record against the publisher’s copy before relying on it.