USFS · Oregon

Siuslaw National Forest

The Siuslaw National Forest is a national forest in western Oregon in the United States. Established in 1908, the Siuslaw is made up of a wide variety of ecosystems, ranging from coastal forests to sand dunes.

From Wikipedia, licensed CC BY-SA 4.0.

Official page at U.S. Forest Service ↗
DesignationNational Forest
Managed byU.S. Forest Service
StateOregon
Size835,600 acres
Forest Service code0612, region 06
Center point44.38° N, 123.88° W
Night skyAbout as dark as the ground gets (Black Marble reading 9)

Boundary map

9 outlines

Boundary, simplified to about 0.005 degrees Federal campground Forest Service recreation site

The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.

Weather by month

NOAA climate normals →
Weather by month near Siuslaw National Forest30°40°50°60°70°January: 14.63 inches of precipitationFebruary: 10.77 inches of precipitationMarch: 10.80 inches of precipitationApril: 7.71 inches of precipitationMay: 4.06 inches of precipitationJune: 2.55 inches of precipitationJuly: 0.52 inches of precipitationAugust: 0.80 inches of precipitationSeptember: 2.68 inches of precipitationOctober: 7.32 inches of precipitationNovember: 13.67 inches of precipitationDecember: 16.39 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 40.6°F averageFebruary: 42.4°F averageMarch: 44.8°F averageApril: 48.3°F averageMay: 53.6°F averageJune: 57.7°F averageJuly: 62.0°F averageAugust: 62.6°F averageSeptember: 57.8°F averageOctober: 50.5°F averageNovember: 44.3°F averageDecember: 39.8°F average0 in5 in10 in15 in20 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Alsea Fh (Fall Creek), 7 miles from the center point at 230 feet, station USC00350145 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 92 inches a year.

Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.

Where to camp

Campsite Atlas →

33 federal campgrounds sit inside the boundary and 12 more are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Show 4 more

33 more within ten miles are not listed here.

Trailheads and sites

Forest Service directory · 135

The Forest Service lists 135 recreation sites in this forest, among them 38 day hikings, 22 campgrounds, 14 OHV Campings, 12 boat launchs. Each links to its page on fs.usda.gov, which carries the season, fees and current status.

Show all 60

The 60 closest to the center point are listed; 75 more are on the Forest Service site.

Distance is from the center point of the boundary, not from a road or town.

The Forest Service trail layer records 118 named trails in this forest, 179 miles in all. The 10 longest are listed here.

TrailMiles
Coast Guard - South OHV Trail ↗8.2
Pioneer Indian ↗8
North Fork Smith River Trail ↗6.5
Cummins Ridge ↗6.1
North Ridge-Marys Peak ↗6.1
Cascade Head ↗6
Horse Creek Trail North ↗5.6
Coast Guard North OHV Trail ↗5.5
Hunters OHV Trail ↗5.5
430 OHV Trail ↗4.5

Lengths and allowed uses come from the Forest Service trail layer by way of Trailhead Atlas. This trail list was copied from Trailhead Atlas on November 1, 2026 and is copied again on each weekly run. Trails in plain text have no page there yet.

All 118 trails in Siuslaw National Forest on Trailhead Atlas ↗

Explore

Nearby on the other atlases

National Register listings within 15 miles · 199 in all · Register Atlas

Landmarks are listed first, then by distance from the boundary.

Guidebooks for Oregon

We earn a small commission if you buy through these links. It does not change what we list.

  • Pacific Crest Trail: Oregon and Washington
    Andy Selters, 2019
    Find at Bookshop.org
  • Oregon's Ancient Forests
    Chandra LeGue, 2019
    Find at Bookshop.org
  • Backpacking Oregon
    Douglas Lorain, 2018
    Find at Bookshop.org
  • Best dog hikes Oregon
    FalconGuides (Publisher), 2017
    Find at Bookshop.org
  • Best hikes near Portland, Oregon
    Fred Barstad, 2016
    Find at Bookshop.org

Titles come from Open Library's catalog, matched by subject heading or by title.

Reference

Questions people ask

How big is Siuslaw National Forest?

835,600 acres.

Source: Forest Service boundary data

Who manages Siuslaw National Forest?

The U.S. Forest Service.

Source: U.S. Forest Service

What state is Siuslaw National Forest in?
Can I camp at Siuslaw National Forest?

Dispersed camping is allowed on most national forest land outside developed sites. Check the forest page for closures. The federal campgrounds within ten miles are listed under Where to camp.

Source: Where to camp

How do I get to Siuslaw National Forest?

A point inside the boundary is at 44.377° N, 123.880° W. The official page carries directions and the office address.

Source: U.S. Forest Service

Are there historic places near Siuslaw National Forest?

The National Register has 199 listings within 15 miles, including Big Creek Bridge No. 01180 and Cape Creek Bridge No. 01113.

Source: Register Atlas

Sources

  • Boundary, name, acreage and code: the Forest Service Enterprise Data Warehouse.
  • States and territories: computed by intersecting the boundary with Census state polygons and coarse outlines of the territories and outlying islands. A place is listed when it holds at least one percent of the area. A boundary that touches no outline is listed under the nearest one.
  • Description: Siuslaw National Forest on Wikipedia, CC BY-SA 4.0. The article was accepted because its title contains this unit’s name.
  • Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
  • Trailheads and sites: the Forest Service Recreation Opportunities layer, matched by forest code.
  • Trails: the Trailhead Atlas open-data file of Forest Service trails, matched by forest code.
  • Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
  • Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.