Agency-listedUSFSFreeRoad season: open (MVUM)

Mariner'S Roost Cg-F

Drive-up · U.S. Forest Service · CA · 40.83981, -122.76976
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U.S. Forest Service lists this site. On most of their ground you can camp away from developed sites pretty much anywhere — so treat this as a known-good spot, not the only one allowed. The unit sets stay limits and how far off road and water you must be. What changes is conditions — roads, gates, closures, fire rules. Check those with the unit before you commit to the drive.
Nearest road on the Forest Service MVUM — Mariner'S Roost Cg-F · Shasta-Trinity National Forest · CA

The nearest road on the Forest Service MVUM is FR 36N35 (Bowerman Ridge), 0.1 mi from the pin. The MVUM lists it as native material surface and maintenance level 2 – high-clearance vehicles.

Road season: open (MVUM) The MVUM lists FR 36N35 (Bowerman Ridge), 0.1 mi from the pin, open to passenger vehicles year-round.
MVUM record for FR 36N35 (Bowerman Ridge): “01/01-12/31” Read against the calendar on 2026-09-22; with JavaScript your browser re-checks it against today.

From the Forest Service's own Motor Vehicle Use Map roads layer (EDW, Clearinghouse refresh Aug 30, 2026), straight-line from the pin to the nearest mapped segment. The nearest segment is not necessarily the way in, a maintenance level is the agency's class and not a report on today, and a road's season is the road's — it is not a campground order. What the levels mean → What an MVUM is →

USGS topo — contours & terrain
USGS topographic map of Mariner'S Roost Cg-F
Aerial — USGS / NAIP
Aerial image of Mariner'S Roost Cg-F
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Weather outlook — at Mariner'S Roost Cg-F
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Live NWS area forecast (~2.5 km grid, not elevation-corrected). Camp sits at 2,390 ft.
Fire & smoke — around Mariner'S Roost Cg-FNIFC · AirNow
Checking active fires & air quality…
Active wildfires from NIFC (within ~50 mi); air quality from AirNow. Always confirm current fire restrictions with the managing office before you go.

Everything you need — measured from Mariner'S Roost Cg-F · Shasta-Trinity National Forest · CA

▲ your camp. Rings are 15, 30 and 60 straight-line miles; bearings are approximate and roads run longer.
Nearest of each
  • GGrocery6 mi
  • @Mail10 mi
  • FFuel11 mi
  • HHardware12 mi
  • OOutfitter12 mi
  • EVEV fast charger12 mi
  • WWater15 mi
  • DDump16 mi
  • MMechanic20 mi
  • LLaundry24 mi
  • AAir-up24 mi
  • RxPharmacy24 mi
  • PPropane26 mi
  • +Urgent care27 mi
  • ShShower32 mi
≤30 mi30–4545+water

The read: water's a short hop out, fuel & food sit about 6 mi out.

One dot per need — the nearest of each kind, straight-line from camp. Places from OpenStreetMap (© OpenStreetMap contributors); the EV fast charger from the US DOE station locator. Open in Google Maps ↗

The site — Mariner'S Roost Cg-F

Access
Drive-up
Land
U.S. Forest Service
Elevation
2,390 ft
Ground slope
63.3% · steep
State
CA
Coordinates
40.83981, -122.76976
Cost
Free

Nearby & resupply — around Mariner'S Roost Cg-F · Shasta-Trinity National Forest · CA (OpenStreetMap)

  • Water featureTrinity Lake · under 0.1 mi · USGS: perennial lake or pond
  • Also mapped (OSM)East Fork Stuart Fork (stream) · mapped within 1.6 mi
  • Nearest townMinersville · ~1.1 mi
  • Rail & highwaynone mapped within 10 mi
  • Drinking waterDrinking water · ~8.1 mi
  • FuelTrinity Center Fuels · ~10.6 mi
  • Propane / LPGAirgas · ~26.2 mi
  • Dump station~16.1 mi
  • GroceriesTrinity Alps Resort General Store · ~6.3 mi
  • PharmacyRite Aid · ~24.5 mi
  • Hospital / clinicTrinity Hospital · ~11.3 mi

EV charging — from Mariner'S Roost Cg-F · Shasta-Trinity National Forest · CA — nearest public DC fast & Level 2 (US DOE station data)

Nearby restrooms — around Mariner'S Roost Cg-F · Shasta-Trinity National Forest · CA — pit toilets, restrooms & rest areas (government data)

Coming out here — Mariner'S Roost Cg-F · Shasta-Trinity National Forest · CA

Open Mariner'S Roost Cg-F elsewhere

Other camps near Mariner'S Roost Cg-F

If this one is full, gated or washed out.

The unit that manages Mariner'S Roost Cg-F

Stay limits, road closures and fire restrictions at Mariner'S Roost Cg-F are set by Shasta-Trinity National Forest, not by the campsite — check there before you go.

How we know this — Mariner'S Roost Cg-F

Source
U.S. Forest Service recreation data
Confidence
Likely — The record is good enough to put a pin on, but thin in places. Treat the details as a starting point, not gospel.
How it was placed
Free but developed (not dispersed) - review
Nearest MVUM road
US Forest Service Motor Vehicle Use Map roads layer (EDW_MVUM_01, layer 1), Clearinghouse refresh Aug 30, 2026. Straight-line distance from the pin to the nearest mapped segment within 1 mi; surface type, maintenance level and open dates are the agency's own values for that segment, expanded from its codes and otherwise unedited. Nothing here says which road reaches the site.
EV chargers
US DOE Alternative Fuels Data Center station locator, snapshot 2026-09-16. Straight-line miles to the nearest public, open, unrestricted station; restricted and planned units are shown but never counted.
Field check
On the agency's books. The land manager inventoried this site, so its existence is not in question — current conditions are. Nobody from here has camped it recently.

What we don’t know about Mariner'S Roost Cg-F

A land record can put you within a few meters of a spot. It cannot tell you any of this — so check it yourself, and treat anything below as the open question it is.

Before you go — Mariner'S Roost Cg-F

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A reader report is not a fact, and this one will not change a word of this page by itself. Dave reads it and checks it against the agency’s own record, because that record is what this site says. If reader reports are ever shown here they are labelled “reader report, unverified” with the date, and they are never merged into the agency fields.