0
Pull-thru
USFSMt. Baker-Snoqualmie National Forest · Washington
Sulphur Creek Campground
Overview Sulphur Creek Campground is a primitive site in a beautiful forest along the banks of the scenic Suiattle River and Sulpher Creek.
Sites2216 reservable
Elev.1,693ft
Comf.May-Oct6 months
Max rig40 ft
Electricnonesites
From Seattle3h16real road time
The honest read
Synthesized from
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
At 1,693 ft, Sulphur Creek Campground has a 6-month comfortable window (May-Oct). Winter nights average around 31°F, so the shoulder seasons turn cold fast. 22 sites total: 16 reservable and 6 first-come, first-served. Of the sites, 2 walk-in, and the longest takes a 40-ft rig. Within about 4 miles: 6 named hiking routes, 11 peaks, lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on shade and reservability. Softest on roomy sites.
Six axes, each scored relative to every other federal campground in the region: quiet (miles to a major road), cool (elevation), roomy (average site spacing), shade, RV-fit (longest rig), and how reservable it is. All six come from data, nothing hand-tuned.
When to go
02 · CLIMATE
avg highavg lowfrost-freedriest · Jul
May-Oct
Comfortable window: nights stay above 35°F, days below 90°F.
72%
Of summer weekend-days are dry.
May 5
Last spring frost; first fall frost Oct 13.
53°F
Average July low.
Getting there
03 · ACCESS
01
Seattle
88 mi
3h16
02
Yakima
224 mi
5h50
03
Spokane
361 mi
8h15
By drive time
Picking your site
04 · 22 SITES
Color byShow only
17 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
2
Walk-in
0
50-amp
2
Accessible
0
Prime
22
Sites
★ The standout
Site 012
AREA SULPHUR · shaded.
To neighbor
141 ft
Max rig
18 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Named hiking routes
6
Trail segments
18
Peaks
11
Water & Access
Lake / river access
yes
Method
We synthesize public data layers: RIDB and Recreation.gov facility and site records, Open-Meteo climate normals, OpenStreetMap roads, trails, and water, OSRM drive times, and USGS elevation. We take no bookings, no ads, and no paid placements. Independence is the entire point.