Units / California / Zone D4

Unit research · California Zone D4

Zone D4 — California

28% public across 1,456,119 ac. Real backcountry here — 37% of the public land sits more than a mile from any road. Watch the checkerboard: 4,602 ac of public land has no public route in.

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[ unit preview — pipeline-rendered map lands here ]Zone D4
28%

public land

37%

of public >1 mi from a road

4,602 ac

landlocked public

0.37

road miles per mi²

2,590 mi

maintained trails

Computed from primary government data by the open pipeline. See the code →

Land & access

■ USFS 21%■ SPR 2%■ NGO 2%■ Other public 3%□ Private 72%
Unit area1,456,119 ac
Public land401,872 ac (28%)
Landlocked public4,602 ac (1.1%)
Walk-in access8,219 ac
Motorized routes (MVUM + roads)839 mi
Maintained trails2,590 mi

Backcountry

Public land >1 mi from a road147,127 ac (37% of public)
Road density0.37 mi/mi²
Managed byUSFS 301k ac · SPR 28k ac · NGO 25k ac
Elevation distribution, slope mix and timberline stats land with the terrain analytics pass — the DEM work is already in the pipeline.

Draw & harvest

Draw odds, harvest rates and season dates are next.

The state agencies publish them — locked in PDFs. The parsing pipeline is the next data milestone, and when it ships, this section fills in for every unit at once, free, with a link to the query that computed it.

How these numbers are made

public_land_pct = public_area / unit_area
landlocked = public ∖ reachable(roads, corners)
remote = public ∖ buffer(roads, 1 mi)

Computed, not curated: no paid research team, no opinions dressed as data. If a number looks wrong, file an issue — the fix ships for everyone.

More California units

Zone D341% public · 19% remoteZone D531% public · 38% remoteZone D655% public · 64% remote

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