Agency-listedUSFSFeeRoad season: open (MVUM)

Main Dam

Drive-up · U.S. Forest Service · CA · 35.64335, -118.48349
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U.S. Forest Service lists this as a developed campground. Expect marked sites, a fee station or a reservation, and the usual campground rules. The dispersed-camping freedom of the surrounding forest does not apply inside it. 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 — Main Dam · Sequoia National Forest · CA

The nearest road on the Forest Service MVUM is FR 26S49A (Main Dam C G), 30 ft from the pin. The MVUM lists it as paved surface and maintenance level 4 – moderate degree of user comfort.

Road season: open (MVUM) The MVUM lists FR 26S49A (Main Dam C G), 30 ft from the pin, open to passenger vehicles year-round.
MVUM record for FR 26S49A (Main Dam C G): “01/01-12/31” Read against the calendar on 2026-09-27; 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 Main Dam
Aerial — USGS / NAIP
Aerial image of Main Dam
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Weather outlook — at Main Dam
Loading the latest forecast…
Live NWS area forecast (~2.5 km grid, not elevation-corrected). Camp sits at 2,494 ft.
Fire & smoke — around Main DamNIFC · 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 Main Dam · Sequoia National Forest · CA

▲ your camp. Rings are 15, 30 and 60 straight-line miles; bearings are approximate and roads run longer.
Nearest of each
  • GGrocery1 mi
  • FFuel1 mi
  • DDump2 mi
  • WWater2 mi
  • @Mail8 mi
  • HHardware14 mi
  • EVEV fast charger28 mi
  • +Urgent care31 mi
  • OOutfitter32 mi
  • MMechanic33 mi
  • PPropane35 mi
  • RxPharmacy35 mi
  • LLaundry36 mi
  • ShShower36 mi
  • AAir-up41 mi
≤30 mi30–4545+water

The read: water is basically at camp, fuel & food sit about 1 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 — Main Dam

Access
Drive-up
Land
U.S. Forest Service
Elevation
2,494 ft
Ground slope
8.3% · noticeable
State
CA
Coordinates
35.64335, -118.48349
Cost
Fee

Nearby & resupply — around Main Dam · Sequoia National Forest · CA (OpenStreetMap)

  • Water featureKern River · ~0.1 mi · USGS: perennial river
  • Nearest townLake Isabella · ~0.4 mi
  • Rail & highwaynone mapped within 10 mi
  • Drinking waterWater · ~2.3 mi
  • FuelShell · ~1.3 mi
  • Propane / LPGnone within 31 mi
  • Dump station~1.5 mi
  • GroceriesGrocery Outlet · ~1.1 mi
  • HardwareTuff Shed · ~13.7 mi

EV charging — from Main Dam · Sequoia National Forest · CA — nearest public DC fast & Level 2 (US DOE station data)

Nearby restrooms — around Main Dam · Sequoia National Forest · CA — pit toilets, restrooms & rest areas (government data)

Coming out here — Main Dam · Sequoia National Forest · CA

Open Main Dam elsewhere

Other camps near Main Dam

If this one is full, gated or washed out.

The unit that manages Main Dam

Stay limits, road closures and fire restrictions at Main Dam are set by Sequoia National Forest, not by the campsite — check there before you go.

How we know this — Main Dam

Closures
Closed for Construction. Closed until further notice. (checked 2026-08-22)
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
Developed FEE campground (not free) - review | auto:usfs-fee 2026-08-20: US Forest Service developed campground, agency coordinates, agency states a fee. No dollar amount in the agency record -- expect a charge and confirm the current rate before you go. Not field-verified. | Fee 2026-08-22: no rate published by the agency. The only text in the fee field, on both the forest page and the live EDW record, is 'Closed for Construction'. The page also says 'Site Closed' and 'Closed until further notice'. Per the to-do, status was NOT changed -- this needs a human decision. Checked: https://www.fs.usda.gov/r05/sequoia/recreation/main-dam-campground and https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_RecInfraRecreationSites_02/MapServer/0/query?where=site_name='MAIN DAM' AND region='05'.
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 Main Dam

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 — Main Dam

Is this page wrong about Main Dam?

This page was built from a public land record, not from a visit. If you have actually pulled in here and it does not match, that is worth more than anything we can read off a map. Tell Dave what is off — it goes to him, not onto the page.

What did you find? Tick anything that fits.

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.