5
Pull-thru
USFSBoise National Forest · Idaho
Rainbow Point
Overview Rainbow Point Campground is located next to scenic Lake Cascade in west central Idaho.
Sites127 reservable
Elev.4,888ft
Comf.Jun-Sep4 months
Max rig45 ft5 pull-thru
Electricnonesites
From Boise2h26real 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 4,888 ft, Rainbow Point has a 4-month comfortable window (Jun-Sep). Winter nights average around 17°F, so the shoulder seasons turn cold fast. 12 sites total: 7 reservable and 5 first-come, first-served. Of the sites, 5 pull-through, and the longest takes a 45-ft rig. Within about 4 miles: 2 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
Jun-Sep
Comfortable window: nights stay above 35°F, days below 90°F.
82%
Of summer weekend-days are dry.
May 21
Last spring frost; first fall frost Oct 9.
52°F
Average July low. Bring a fleece.
Getting there
03 · ACCESS
01
Boise
99 mi
2h26
02
Coeur d'Alene
290 mi
6h12
03
Idaho Falls
380 mi
6h55
By drive time
Routed road time (OSRM). Nearest major highway 3.2 mi away.
Picking your site
04 · 12 SITES
Color byShow only
8 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
0
50-amp
0
Accessible
0
Prime
12
Sites
★ The standout
Site 005 Double Site
RAIN · pull-through · shaded.
To neighbor
175 ft
Max rig
45 ft
Type
Pull-thru
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Trail segments
51
Peaks
2
Water & Access
Lake / river access
yes
To nearest major road
3.2 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.