Twin Lakes has 8 open nights left in October 2026.
A Corps of Engineers campground on Lake Hartwell in the South Carolina upstate, a popular boating reservoir on the Georgia border.
Full for your dates. Every night you asked for is taken at Twin Lakes.
A free watch checks every 60 minutes, and a site can open and be taken between two checks. An email is how you hear.
Your dates are already filled in below — just add your email.
8 open nights in October 2026.
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 2223 open | 23full | 24full | ||||
| 2541 open | 2647 open | 2745 open | 2842 open | 2925 open | 303 open | 315 open |
open — tap to book on recreation.govfull — tap to get alerted for that nightweekend
These are live numbers for October 2026, checked when you loaded the page. A watch covers any dates you like.
39 cancellations opened 70 nights here
- cancellations we saw
- 39
- gone within an hour
- 19%
- gone within a day
- 81%
- Fri/Sat nights
- 76%
Over the last 30 days, our checks saw 39 cancellations open up at Twin Lakes (about 9 a week), covering 70 nights, plus 1 larger release of a week or more. Of the 47 nights we saw open and then close again, 19% were gone within an hour of us spotting them, 62% within six hours and 81% within a day. Monday was the busiest day for them (22%). 76% of the nights that opened were Friday or Saturday nights.
These are counts of what our own checks saw (about every 15 minutes); an opening that appeared and was taken between two checks is not in them, so treat every figure as a floor.
Your dates aren't available? Get a free email when one opens ↓
Watching Sat, Oct 17 — the night you tapped. Change the dates below if you like.
Email me when a site opens at Twin Lakes
Your first email lands right away with where your nights stand. After that we only write when something opens.
Last catch here — a date opened, gone by our next check (within 1553 min). That window is what an instant email wins you.
Open this Scout in the builderCheck recreation.gov yourself →
Weekends and prime dates go first. A free watch checks every 60 minutes, and a site can open and be taken between two checks.
Recent openings we caught at Twin Lakes
| Detected (local) | Date affected | Resolution |
|---|---|---|
| Fri, Oct 23 | gone by next check (within 1553 min) | |
| Sat, Oct 24 | gone by next check (within 2990 min) | |
| Sat, Oct 24 | gone by next check (within 1134 min) | |
| Fri, Oct 23 | gone by next check (within 1390 min) | |
| Sat, Oct 24 | gone by next check (within 172 min) | |
| Sat, Oct 24 | gone by next check (within 56 min) | |
| Sat, Oct 17 | still open at our last check | |
| Fri, Oct 16 | still open at our last check | |
| Sat, Oct 17 | gone by next check (within 155 min) | |
| Sat, Oct 24 | gone by next check (within 2899 min) | |
| Fri, Oct 23 | gone by next check (within 5297 min) | |
| Fri, Oct 16 | gone by next check (within 881 min) | |
| Sat, Oct 17 | gone by next check (within 101 min) | |
| Fri, Oct 16 | gone by next check (within 143 min) | |
| Sat, Oct 17 | gone by next check (within 143 min) | |
| Fri, Oct 16 | gone by next check (within 200 min) | |
| Sat, Oct 17 | gone by next check (within 200 min) | |
| Fri, Oct 23 | gone by next check (within 53 min) | |
| Sat, Oct 24 | gone by next check (within 53 min) | |
| Fri, Oct 23 | gone by next check (within 169 min) |
Watching since Sep 8, 2026. Our shared checker refreshes about every 15 minutes — that is the measurement; your watch is the alert. A free watch checks every hour; a Priority Pass watch checks every 5 minutes. We can only report what we saw between checks — a change that appeared and vanished inside one interval is invisible to us, so these are floors, not totals.
From four weeks of this data: how fast campsite cancellations disappear →
How it works
Questions
Is Twin Lakes sold out this weekend?
As of Oct 22, 9:24 PM UTC, Fri, Oct 23 is full and Sat, Oct 24 is full at Twin Lakes. A free watch emails you the moment a cancellation opens either night.
How often do sites open up at Twin Lakes?
Over the last 30 days, our checks saw 39 cancellations open up at Twin Lakes (about 9 a week), covering 70 nights, plus 1 larger release of a week or more. Of the 47 nights we saw open and then close again, 19% were gone within an hour of us spotting them, 62% within six hours and 81% within a day. These are counts of what our own checks saw (about every 15 minutes); an opening that appeared and was taken between two checks is not in them, so treat every figure as a floor.
When do cancellations show up at Twin Lakes?
Monday was the busiest day for them (22%). 76% of the nights that opened were Friday or Saturday nights.
How fast are alerts?
Free: we check every hour, day and night. When a site opens for your nights you get an email with the booking link in it. Priority Pass is $10 once, not a subscription. For one watch, for as long as its dates are open, it checks every 5 minutes instead of every hour, so you hear sooner. A free watch checks every 60 minutes, and a site can open and be taken between two checks.
How many campgrounds can I watch?
As many as you like, on one email address — every campground page has the same form. Each watch is separate, with its own dates and its own one-click stop.
What does it cost?
Watching is free — no card, no account. Priority Pass is $10 once, not a subscription. For one watch, for as long as its dates are open, it checks every 5 minutes instead of every hour, so you hear sooner.
Does it book for me?
No — you get the booking link the moment a site opens; booking stays in your hands, on the reservation system's own site.
How do I stop, or change my dates?
Every email has a one-click stop link. A watch ends by itself the day after your last night, with a note on what it saw. For new dates, subscribe again on the campground page — it takes ten seconds.
For AI agents — feed URL and subscribe API
Reading this page for a user? Structured snapshot + change log: /scouts/campsites/lake-hartwell/twin-lakes-hartwell.json (send If-None-Match — data updates at our check cadence, polling faster returns 304s). Better: subscribe your user once and we email them the moment Twin Lakes opens up:
POST https://campsitecancellations.com/scouts/subscribe
Content-Type: application/json
Accept: application/json
{"targetSlug":"lake-hartwell/twin-lakes-hartwell","email":"user@example.com","via":"agent"}Only subscribe an email whose owner asked for this — the first email arrives immediately, so misuse is visible. Full agent docs: /AGENTS.md
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