Pick a site on the map to see its availability calendar.
Only 13 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
Of the 183 tracked site-nights (Sep 18, 2026 – Mar 19, 2027): 140 open for online reservation · 43 reserved.
Of the open cabin-nights on mapped sites, 81 fall on weekdays and 59 on weekends (Fri–Sun).
December holds the most room. 31 of 31 site-nights are still open there.
| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open | |
| Thanksgiving | THU Nov 26 | 1 | Open |
| FRI Nov 27 | 1 | Open | |
| SAT Nov 28 | 1 | Open | |
| Christmas | THU Dec 24 | 1 | Open |
| FRI Dec 25 | 1 | Open | |
| New Year | THU Dec 31 | 1 | Open |
| FRI Jan 1 | 1 | Open |
Labor Day: no online availability on any tracked night. Thanksgiving: 1 cabin is available for the complete three-night stay. Christmas: 1 cabin is available for the complete two-night stay. New Year: 1 cabin is available for the complete two-night stay.
| Cabin | Open cabin-nights |
|---|---|
| SO1 | 140 |
This cabin currently has 140 cabin-nights available.
The next bookable night is Sep 20; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Multi-night stays. 3 2-night, 3 3-night, 2 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 20 at site SO1.
| Cabin | Max RV | Hookups | Open cabin-nights | Longest run | Dates |
|---|---|---|---|---|---|
| SO1 | Not recorded | None | 140 | 118 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 +128 more |
White Sulphur Springs Cabin is located on the northern shore of Bertha Bay, 65 miles northwest of Sitka, Alaska, on Chichagof Island within the West Chichagof-Yakobi Wilderness Area. The cabin makes an excellent base for experiencing and exploring this corner of Alaska.
This is a remote site in a designated Wilderness area. The cabin can be accessed by boat only, weather permitting. Visitors are responsible for their own travel arrangements and safety, and must bring their own amenities.
Recreation options include fishing, boating, hiking, photography and soaking in a natural warm springs pool. With easy terrain, many areas around the cabin are accessible to hikers. Lake Elfendahl and Lake Morris are only a 2-hour hike away. The Dry Pass Trail to Sea Level Slough can be difficult to follow and requires lower tide to cross the slough. The White Sulphur Springs Trail to Mirror Harbor is marked and easy to follow.
The warm springs is about 50 feet from the cabin with no fee for use. However reserving this cabin does not include exclusive use of the warm springs. Cabin users must be prepared for warm springs visitors at any time.
For information about fishing permits and seasons, visit the Alaska Department of Fish and Game website.
The 12'x14' Pan Abode-style cabin accommodates six people, with two double plywood bunks and two single plywood bunks. Amenities include a wood stove for heat, a table with benches, cooking counter, broom, an axe or splitting maul and an outhouse toilet.
The cabin does not include mattresses or cooking utensils. Visitors should bring sleeping bags and pads, a cooking stove, pots, pans, plates, utensils, food, toilet paper, garbage bags, a lantern, fire extinguisher and fire starter. Rain gear and boots are recommended.
No good water source is available near the cabin.
Click here for more cabin information and maps.
A forest of spruce and hemlock surrounds the cabin, which overlooks beautiful views of the North Pacific with breakers crashing on nearby rocky cliffs. White Sulphur Springs offers a natural warm springs frequented by many forest visitors. Brown bear frequent the area.
Accessible year round, weather permitting. Located 65 miles northwest of Sitka on Chichagof Island within the West Chichagof-Yakobi Wilderness Area. Boat access is possible with anchorage in Mirror Harbor, where 0.9-mile White Sulphur Springs Trail leads to the cabin; however, local knowledge is recommended before attempting anchorage there. White Sulphur Springs Trail begins at Mirror Harbor and leads to the cabin. The trail is fairly level and parallels Bertha Bay. Please consult local tide tables before departing for the cabin. For geographic features surrounding the cabin, refer to USGS topographic maps Sitka D-8 and D-7.
View on Recreation.gov ↗ Get directions ↗












Reservations for White Sulphur Springs Cabin are made through Recreation.gov. The current snapshot shows substantial availability: 140 of 183 tracked site-nights are open (76.5%), though availability can change. Campsite Sniper has also detected 13 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Sep 18, 2026 16:19 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
Campsite Sniper detected 3 site-date openings at White Sulphur Springs Cabin in the last 7 days, 13 over 30 days and 13 over the last 90.
3 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 20 at site SO1. Confirm and book on Recreation.gov.
December 2026, with 31 open site-nights in the current snapshot of 31.
As of the Sep 18, 2026 snapshot: the next open date is Sun, Sep 20 and the next open weekend starts Fri, Sep 25. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for White Sulphur Springs Cabin. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.