Pick a site on the map to see its availability calendar.
Only 1 opening 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.
Of the 222 tracked site-nights (Sep 18 – Nov 30, 2026): 170 open for online reservation · 52 reserved.
Of the open site-nights on mapped sites, 123 fall on weekdays and 47 on weekends (Fri–Sun).
November holds the most room. 73 of 90 site-nights are still open there.
| 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 | 3 | Open |
| FRI Nov 27 | 3 | Open | |
| SAT Nov 28 | 3 | Open |
Labor Day: no online availability on any tracked night. Thanksgiving: 3 sites are available for the complete three-night stay.
| Site | Open site-nights |
|---|---|
| C001 | 58 |
| A001 | 57 |
| B001 | 55 |
The 3 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
The next bookable night is Sep 20; the first open weekend starts Oct 2. Campsite Sniper can watch later dates for you.
Multi-night stays. 28 2-night, 28 3-night, 5 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 20 at site A001.
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| C001 | Not recorded | None | 58 | 12 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 +46 more |
| A001 | Not recorded | None | 57 | 12 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +45 more |
| B001 | Not recorded | None | 55 | 9 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +43 more |
Poplar Grove offers youth groups and organizations enjoyable year-round primitive tent camping. Located just steps away from the Catoctin Mountain Park portion of the Catoctin National Recreation Trail in the rolling hills of Thurmont, Maryland. Poplar Grove allows youth groups to experience traditional wilderness camping in a beautiful, natural setting.
As a primitive camping area, Poplar Grove encourages youth to use healthy doses of imagination while surrounded by the natural landscape. Nature hikes and campfire circles are popular activities. Catoctin Mountain Park offers 25 miles (40 km) of trails for additional hiking opportunities.
Poplar Grove allows youth to connect with nature in a rustic campground setting. Three (3) group sites can accommodate up to 25 visitors. There are (2) two vault toilets and pavilion are centrally located. Water is not available. Site campfire circles and grills exist at each of the three camp sites. Firewood is provided onsite, dead wood may be collected for fires. Each group site is limited to (2) two vehicles or (1) vehicle and (1) utility trailer (unhooked) parked in designated spaces. Additional vehicles need to be parked at Camp Round Meadow. Overnight parking is not permitted on Manahan Road. Due to seasonal road closures, the campground is closed in the Winter.
For further information please call the Visitors Center between 9:00 a.m. to 4:30 p.m. at (301) 663- 9388. During your stay (after hours) contact 24 hour dispatch at 1-866-677-6677 or 301-714-2235.
Poplar Grove offers tree sheltered, flat tent sites. The campground is surrounded by a hardwood decidious forest. Whether blanketed in snow in winter months or blooming with wildflowers in the spring, Poplar Grove offers beautiful scenery all year.
The Catoctin Mountain Park Visitor Center is located four miles (1.2 km) away and offers interpretive programs. Just three miles (4.8 km) away, visitors can enjoy fishing and canoeing at Cunningham Falls State Park (entrance fee applies).
Poplar Grove is located on Manahan Road in the western portion of Catoctin Mountain Park. From Route 15, exit at Catocin Mountain Park/Route 77. Travel approximately six miles west, passing the Visitor Center and Park Central Road. Turn right on Foxville-Deerfield Road and bear to the right onto Manahan Road at the fork. Poplar Grove is located about a mile ahead on the gravel road.
View on Recreation.gov ↗ Get directions ↗







Reservations for Poplar Grove Youth Group Campground are made through Recreation.gov. The current snapshot shows substantial availability: 170 of 222 tracked site-nights are open (76.6%), though availability can change. Campsite Sniper has also detected 1 site opening 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.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
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.
Campsite Sniper detected 1 site-date opening at Poplar Grove Youth Group Campground in the last 7 days, 1 over 30 days and 1 over the last 90.
28 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 20 at site A001. Confirm and book on Recreation.gov.
November 2026, with 73 open site-nights in the current snapshot of 90.
As of the Sep 18, 2026 snapshot: the next open date is Sun, Sep 20 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.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Poplar Grove Youth Group Campground. 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.