itOpened Guides · Harry S. Truman Lake
How to actually get a site at Long Shoal — the verified facts, the release reality, and the cancellation route in.
Watch it with itOpened
Proof, from our own scanners: 673 confirmed openings across 34 campgrounds since Oct 29, 2026 — each one re-verified before logging. See the live cancellation index.
Watch Long ShoalFree to start. We never book, hold, or resell — you book it yourself, in your own account, at the normal price. Fees pay for monitoring; openings are first-come and cannot be guaranteed.
Overview Longshoal Park sits on the shores of Harry S. Truman Lake in the hills of western Missouri. Visitors enjoy fishing, hunting, swimming and boating. Click here for the Harry S. Truman Lake virtual tour. Recreation Longshoal is an excellent fishing location.
| Total sites | 97 |
|---|---|
| Site types | Standard, Group, Shelter |
| Site mix (directory count) | Standard 94 · Group 1 |
| Area | Harry S. Truman Lake |
| Managed by | US Army Corps of Engineers |
| Nearest community | WARSAW, MO |
| Activities | Boating, Camping, Fishing, Hiking, Hunting, Swimming |
| Directory phone | 660-438-2342 |
| Official listing | Recreation.gov campground page |
| Book through | Recreation.gov |
Long Shoal is reserved through Recreation.gov, on the release pattern stated in its official listing. In demand, reservable sites are claimed within minutes of each release — which is why the campground reads as sold out for most of the year, and why the realistic route in is rarely the release itself.
Sites booked months ahead get cancelled as trips fall through, and each cancellation returns its nights to the official calendar instantly — first-come, no waitlist, no announcement. itOpened scans the Recreation.gov calendar for Long Shoal around the clock; when a site matching your dates and vehicle opens, you get a text with a direct link, and you book it yourself, in your own account, at the normal price. We never book, hold, or resell. The mechanics are the same ones documented in how campsite cancellations actually work.
Watch more than one calendar. These nearby or same-area campgrounds take the same trip — and their cancellations are independent chances:
| Bucksaw | 148 sites · same area |
|---|---|
| Berry Bend | 95 sites · same area |
| Sparrowfoot | 85 sites · same area |
| Osage Bluff | 60 sites · same area |
| Thibaut Point | 48 sites · same area |
Full directory facts and sibling campgrounds: Long Shoal campground page · Harry S. Truman Lake park page.
Watch it with itOpened
Proof, from our own scanners: 673 confirmed openings across 34 campgrounds since Oct 29, 2026 — each one re-verified before logging. See the live cancellation index.
Watch Long ShoalFree to start. We never book, hold, or resell — you book it yourself, in your own account, at the normal price. Fees pay for monitoring; openings are first-come and cannot be guaranteed.
Every figure in this article traces to one of the sources above. If a number isn't sourced, we don't print it.
Last updated 2026-10-30.