No detected openings were recorded in the last 90 days. Campsite Sniper monitors Towers Arm Cabin continuously and will alert you if that changes.
Of the 183 tracked site-nights (Sep 18, 2026 – Mar 19, 2027): 144 open for online reservation · 39 reserved.
Where the open windows are
Load status
Sep 18, 2026 – Mar 19, 2027Of the open cabin-nights on mapped sites, 81 fall on weekdays and 63 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Mar 2027December holds the most room. 31 of 31 site-nights are still open there.
Holiday windows
Sites open per night · of 1 cabin| 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.
Availability
Most open cabin-nights · tracked window| Cabin | Open cabin-nights |
|---|---|
| P17 | 144 |
This cabin currently has 144 cabin-nights available.
Next windows
As of Sep 18, 2026 snapshotThe next bookable night is Sep 30; the first open weekend starts Oct 2. Campsite Sniper can watch later dates for you.
Stays and site detail
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 30 at site P17.
All 1 cabin with current availability
| Cabin | Max RV | Hookups | Open cabin-nights | Longest run | Dates |
|---|---|---|---|---|---|
| P17 | Not recorded | None | 144 | 123 nights | Sep 30, Oct 1, Oct 2, Oct 3, Oct 16, Oct 17, Oct 18, Oct 19, Oct 20, Oct 21, Oct 22, Oct 23 +132 more |
About Towers Arm Cabin
Overview
Towers Arm Cabin is one of the Petersburg Ranger District's most remote cabins. A large tidal flat in front of the cabin provides excellent waterfowl viewing and hunting opportunities. Visitors also enjoy the area for its fishing and wildlife viewing.
The cabin is accessible by boat or float plane only.
Recreation
The location offers fishing in Towers Creek. Coho salmon is available from August through September, as well as steelhead trout in April through May.
Hunting for bears, deer, a variety of waterfowl and grouse is also popular in the area, as per state or federal hunting regulations; click here for more information from the Alaska Department of Fish and Game.
Facilities
The hunter-style cabin has four single, wooden bunks to accommodate up to four people. It is equipped with a table, benches and a wood stove that is used to heat the cabin. The stove can also be used for cooking purposes. An outhouse with a pit toilet is provided.
Water for drinking, cooking and cleaning is not provided at the cabin. Fresh water available from a small stream located north of the cabin should be treated or boiled before consumption. Guests are encouraged to bring their own drinking water if possible.
Guests will need to bring their own sleeping bags and pads, cook stove and cooking gear, towels, food and clothing, fire starter and garbage bags, among other necessities. Firewood is generally provided, but not guaranteed. A broom, dust pan, axe and splitting maul are also typically available provided, but may be missing or damaged. Please report missing or damaged items to the Petersburg Ranger District.
Click here for more cabin details and maps.
Natural Features
The cabin is located on Kupreanof Island, at the mouth of Towers Creek on the west side of Towers Arm in Duncan Canal. Terrain surrounding the cabin is fairly flat, with hills at the rear and a vast tidal flat and the water's edge to the front.
A variety of wildlife make its home in the area, including abundant waterfowl from September through November and shorebirds in early May. The region is also home to grouse, deer, wolves and black bears.
Getting there
Access is by boat or float plane only. From Petersburg the journey is 16 miles by float plane or 38 miles by boat. A 15-foot tide is required for boat access to the cabin. A 16-foot tide is recommended for float plane access. Lower tides may require up to a 2-mile hike across the tide flat to the cabin. Click here for more information. The cabin can be found on USGS topographic map Petersburg D5. Maps are available online or by calling the Petersburg Ranger District at (907) 772-3871.
View on Recreation.gov ↗ Get directions ↗
Photo gallery
FAQ
How do I get a reservation at Towers Arm Cabin?
Reservations for Towers Arm Cabin are made through Recreation.gov. The current snapshot shows substantial availability: 144 of 183 tracked site-nights are open (78.7%), though availability can change. 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.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
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.
Can I get a multi-night stay at Towers Arm Cabin?
3 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 30 at site P17. Confirm and book on Recreation.gov.
Which month has the most availability at Towers Arm Cabin?
December 2026, with 31 open site-nights in the current snapshot of 31.
When is the next open date at Towers Arm Cabin?
As of the Sep 18, 2026 snapshot: the next open date is Wed, Sep 30 and the next open weekend starts Fri, Oct 2. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Stop refreshing. Let the app watch it.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Towers Arm 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.