0
Pull-thru
USFSChugach National Forest · Alaska
Port Chalmers Cabin
Overview Port Chalmers Cabin offers guests access to a variety of recreational activities, relaxation and a unique lodging experience on Montague Island in southcentral Alaska.
Sites1first-come
Elev.0ft
Comf.May-Oct6 months
Max rigtents
Electricnonesites
From Anchorage5h59real 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 0 ft, Port Chalmers Cabin has a 6-month comfortable window (May-Oct). Winter nights average around 28°F, so the shoulder seasons turn cold fast. All 1 sites are first-come, first-served. No reservations, so arrive early. Within about 4 miles: lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on cool nights and shade. Softest on reservability.
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 · Apr
May-Oct
Comfortable window: nights stay above 35°F, days below 90°F.
63%
Of summer weekend-days are dry.
Apr 23
Last spring frost; first fall frost Nov 3.
53°F
Average July low.
Getting there
03 · ACCESS
01
Anchorage
141 mi
5h59
02
Fairbanks
498 mi
13h12
03
Juneau
990 mi
30h58
By drive time
Picking your site
04 · 1 SITES
0
Walk-in
0
50-amp
0
Accessible
0
Prime
1
Sites
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
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.