0
Pull-thru
USFSMt. Baker-Snoqualmie National Forest · Washington
Tinkham Campground
Overview Tinkham Campground is located along the South Fork Snoqualmie River in Mt.
Sites5246 reservable
Elev.1,578ft
Comf.Apr-Nov8 months
Max rig46 ft
Electricnonesites
From Seattle0h56real 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 1,578 ft, Tinkham Campground has a 8-month comfortable window (Apr-Nov). Winter nights average around 32°F, so the shoulder seasons turn cold fast. 52 sites total: 46 reservable and 6 first-come, first-served. Within about 4 miles: 15 named hiking routes, 17 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
Apr-Nov
Comfortable window: nights stay above 35°F, days below 90°F.
70%
Of summer weekend-days are dry.
Apr 29
Last spring frost; first fall frost Oct 21.
55°F
Average July low.
Getting there
03 · ACCESS
01
Seattle
43 mi
0h56
02
Yakima
103 mi
2h02
03
Spokane
240 mi
4h28
By drive time
Routed road time (OSRM). Nearest major highway 0.1 mi away.
Picking your site
04 · 52 SITES
Color byShow only
47 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
0
50-amp
2
Accessible
0
Prime
52
Sites
★ The standout
Site 021
TINK · shaded.
To neighbor
155 ft
Max rig
45 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Named hiking routes
15
Trail segments
117
Peaks
17
Viewpoints
14
Water & Access
Lake / river access
yes
To nearest major road
0.1 mi
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.