Openings · last 7 days
0
01 · Detected Opening History · the openings record · file CS-234190
When Lower Penstemon reopens
Lower Penstemon's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
2
Openings · last 90 days
2
Only 2 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 – Sep 30, 2026 · of 6 monitored sites
Of the 78 tracked site-nights (Sep 18 – Sep 30, 2026): 24 open for online reservation · 12 reserved · 42 on sites not offered for online reservation (first-come, first-served or administrative).
Where the open windows are
69.2% of tracked site-nights are not currently open for online reservation. 24 of 78 remain open; here is where they are.
Load status
Sep 18 – Sep 30, 2026Not open online69.2%
Open site-nights24 / 78
Reserved (of online inventory)12 / 36
Weekday openings18
Weekend openings6
Of the open site-nights on mapped sites, 18 fall on weekdays and 6 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Sep 2026September holds the most room. 24 of 78 site-nights are still open there.
Holiday windows
Sites open per night · of 6 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 |
|---|---|
| 001 | 4 |
| 002 | 4 |
| 003 | 4 |
| 004 | 4 |
| 005 | 4 |
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 dateSun · Sep 27
The next bookable night is Sep 27. Campsite Sniper can watch later dates for you.
Stays and site detail
24 open site-nights across 6 sites at Lower Penstemon, from the same hourly snapshot as everything above.
Multi-night stays. 6 2-night, 6 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 27 at site 001.
RV length. Longest recorded site here is 30 ft. 6 sites take 25 ft.
All 6 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 001 | 30 ft | None | 4 | 4 nights | Sep 27, Sep 28, Sep 29, Sep 30 |
| 002 | 30 ft | None | 4 | 4 nights | Sep 27, Sep 28, Sep 29, Sep 30 |
| 003 | 30 ft | None | 4 | 4 nights | Sep 27, Sep 28, Sep 29, Sep 30 |
| 004 | 30 ft | None | 4 | 4 nights | Sep 27, Sep 28, Sep 29, Sep 30 |
| 005 | 30 ft | None | 4 | 4 nights | Sep 27, Sep 28, Sep 29, Sep 30 |
| 006 | 30 ft | None | 4 | 4 nights | Sep 27, Sep 28, Sep 29, Sep 30 |
About Lower Penstemon
Overview
Lower Penstemon Campground is located along the scenic Rock Creek Road, in southern Idaho, at an elevation of 6,600 feet. Visitors come to the area to enjoy its abundant trails and natural beauty.
Recreation
Hiking, mountain biking, horseback riding and off-road vehicle trails crisscross the surrounding area. Third Fork, Pike Mountain, Rim View and Porcupine Spring trails all begin nearby. Rock Creek runs along the campground, offering good trout fishing.
Facilities
The campground contains single-family campsites with picnic tables and campfire rings. Vault toilets and drinking water are provided. Roads and parking spurs within the campground are gravel. Because the campground is situated along the main road, some noise from passing cars is to be expected.
Natural Features
The campground is situated in a mixed conifer and aspen forest, just off Rock Creek Road. Most sites have partial shade. Summer wildflowers dot the landscape and wildlife can be seen frequently in the surrounding area.
6 monitored sitesRVs up to 30 ftNo hookups6 shadedPets OKMax party 8
Getting there
Travel south on Twin Falls County Road G3 which becomes Forest Road 515, commonly known as Rock Creek Road, for approximately 27 miles from Hansen.
2306 Hiland Ave, Burley, ID 83318208-678-0430
BikingCampingHikingHorseback RidingHuntingWildlife Viewing
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-234190 · facility + sites
Photo gallery
Roll CS-234190 · Lower Penstemon · Burley ID7 frames · facility + sites
FAQ
How do I get a reservation at Lower Penstemon?
Reservations for Lower Penstemon are made through Recreation.gov. 24 of 78 tracked site-nights are currently open (30.8%). Campsite Sniper has also detected 2 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 17:19 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 Lower Penstemon?
Campsite Sniper detected 2 site-date openings here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.
Can I get a multi-night stay at Lower Penstemon?
6 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 001. Confirm and book on Recreation.gov.
Which sites at Lower Penstemon fit a 35-foot RV?
No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 30 ft.
Which month has the most availability at Lower Penstemon?
September 2026, with 24 open site-nights in the current snapshot of 78.
When is the next open date at Lower Penstemon?
As of the Sep 18, 2026 snapshot: the next open date is Sun, Sep 27. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.