3
Pull-thru
USFSGrand Mesa, Uncompahgre and Gunnison National Forest · Colorado
Lake Irwin
Overview Lake Irwin Campground is situated on the western banks of its picturesque namesake lake, approximately 9 miles from Crested Butte, Colorado.
Sites4519 reservable
Elev.10,417ft
Comf.Jul-Aug2 months
Max rig99 ft3 pull-thru
Electricnonesites
From Grand Junction3h04real 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 10,417 ft, Lake Irwin has a 2-month comfortable window (Jul-Aug). Winter nights average around 5°F, so the shoulder seasons turn cold fast. 45 sites total: 19 reservable and 26 first-come, first-served. Of the sites, 3 pull-through, and the longest takes a 99-ft rig. Within about 4 miles: 2 named hiking routes, 8 peaks, lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on cool nights and quiet. 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 · Jun
Jul-Aug
Comfortable window: nights stay above 35°F, days below 90°F.
80%
Of summer weekend-days are dry.
Jun 27
Last spring frost; first fall frost Sep 3.
39°F
Average July low. Bring a fleece.
Getting there
03 · ACCESS
01
Grand Junction
111 mi
3h04
02
Colorado Springs
208 mi
4h51
03
Denver
234 mi
5h29
04
Fort Collins
296 mi
6h36
By drive time
Routed road time (OSRM). Nearest major highway 6.8 mi away.
Picking your site
04 · 45 SITES
Color byShow only
25 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
0
50-amp
4
Accessible
0
Prime
45
Sites
★ The standout
Site 010
LAKE.
To neighbor
226 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Named hiking routes
2
Trail segments
88
Peaks
8
Viewpoints
2
Water & Access
Lake / river access
yes
To nearest major road
6.8 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.