Openings · last 7 days
4
Booking reality
Campsite Sniper detected 4 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-239417
When Big Rock reopens
Big Rock's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
10
Openings · last 90 days
11
Only 11 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.
02 · Availability Outlook · Sep 18 – Oct 11, 2026 · of 27 monitored sites
Of the 648 tracked site-nights (Sep 18 – Oct 11, 2026): 173 open for online reservation · 185 reserved · 290 on sites not offered for online reservation (first-come, first-served or administrative). Of the facility's 27 monitored sites, 17 can be reserved online and 10 are first-come, first-served.
Where the open windows are
73.3% of tracked site-nights are not currently open for online reservation. 173 of 648 remain open; here is where they are.
Load status
Sep 18 – Oct 11, 2026Not open online73.3%
Open site-nights173 / 648
Reserved (of online inventory)185 / 358
Weekday openings144
Weekend openings29
Of the open site-nights on mapped sites, 144 fall on weekdays and 29 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026September holds the most room. 88 of 351 site-nights are still open there.
Holiday windows
Sites open per night · of 27 sites| 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 |
Labor Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 10 | 12 |
| 17 | 12 |
| 24 | 12 |
| 25 | 12 |
| 27 | 12 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Next windows
As of Sep 18, 2026 snapshotNext open dateWed · Sep 23
The next bookable night is Sep 23. Campsite Sniper can watch later dates for you.
Stays and site detail
173 open site-nights across 17 sites at Big Rock, from the same hourly snapshot as everything above.
Multi-night stays. 43 2-night, 28 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 23 at site 10.
RV length. Longest recorded site here is 40 ft. 5 sites take 25 ft, 4 sites take 35 ft, 4 sites take 40 ft. 18 sites of 27 have no recorded maximum and are not counted.
All 17 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 10 | Not recorded | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 17 | Not recorded | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 24 | Not recorded | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 25 | Not recorded | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 27 | Not recorded | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 28 | Not recorded | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 6 | Not recorded | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 16 | Not recorded | None | 11 | 5 nights | Sep 23, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 22 | Not recorded | None | 11 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7 |
| 23 | Not recorded | None | 11 | 5 nights | Sep 23, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 8 | Not recorded | None | 11 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 13 | Not recorded | None | 10 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 19 | Not recorded | None | 10 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 14 | 20 ft | None | 9 | 5 nights | Sep 23, Sep 24, Sep 28, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 11 | 40 ft | None | 8 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4 |
| 5 | 26 ft | None | 6 | 4 nights | Sep 23, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5 |
| 3 | 40 ft | None | 2 | 2 nights | Sep 29, Sep 30 |
About Big Rock
Overview
Big Rock Campground has 28 individual wooded sites, each with a picnic table, tent pad and turnout for parking. Eight sites share a common parking area, while most other sites have suitable parking space available for small trailers and motorhomes. Water, electrical and sewage connections are not provided. Campsites are available on a first-come, first serve basis and reservations.
Natural Features
The name “Big Rock” was dervied from a large prominent rock which is visable shortly after entering the campground. Big Rock campground is a developed recreation area administered by the USDA Forest Service. A fee is charged for the use of this area and is collected through a self-service pay system. The campgrounds are conveniently located near Interstate 93 in the heart of the White Mountain National Forest on the scenic Kancamagus Highway.
Nearby Attractions
1. East Branch Pemigewasset River
2. Upper Lady’s Bath
3. Kancamagus Highway
4. Otter Rocks
5. Greely Ponds Scenic Area
6. Franconia Falls
7. Black Pond
8. The Flume
9. Indian Head
10. The Basin
11. Franconia Notch
12. Cannon Mountain Tram
13. Lost River Road
14. Kinsman Notch
27 monitored sites10 FCFS sitesRVs up to 40 ftNo hookupsPets OKFire pitsMax party 8
Getting there
The campground is conveniently located off Exit 32 (the scenic Kancamagus Highway) from Interstate 93.
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-239417 · facility + sites
Photo gallery
Roll CS-239417 · Big Rock · NH12 frames · facility + sites
FAQ
How do I get a reservation at Big Rock?
Reservations for Big Rock are made through Recreation.gov. 73.3% of tracked site-nights are not currently open for online reservation; 173 of 648 remain open. Campsite Sniper has also detected 11 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.
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.
How often do new openings appear at Big Rock?
Campsite Sniper detected 4 site-date openings at Big Rock in the last 7 days, 10 over 30 days and 11 over the last 90.
Can I get a multi-night stay at Big Rock?
28 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 27 at site 10. Confirm and book on Recreation.gov.
Which sites at Big Rock fit a 35-foot RV?
4 of the 27 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 40 ft. 9 of those 27 sites have a recorded maximum length and 18 do not; they are not counted as fitting.
Which month has the most availability at Big Rock?
September 2026, with 88 open site-nights in the current snapshot of 351.
When is the next open date at Big Rock?
As of the Sep 18, 2026 snapshot: the next open date is Wed, Sep 23. 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.
Filter
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
Watch
We run paced availability checks for Big Rock. One watch covers every matching online-reservable site.
Get the ping
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.
Alerts monitor online-reservable inventory only; first-come, first-served sites are not included.