Openings · last 7 days
113
Booking reality
Campsite Sniper detected 113 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-233187
When Rocky Mountain National Park Aspenglen Campground reopens
Rocky Mountain National Park Aspenglen Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
131
Openings · last 90 days
131
Weekday pattern
Detected openings by day of week · 90dNo strong weekday pattern is evident in the openings Campsite Sniper has detected: 131 openings spread across the week.
Hour-of-day pattern
First detected by hour · local time · last 90 daysThe largest concentrations of detected openings were first detected during the 06:00 and 08:00 local-time hours. Those hours contained 35 of 131 detected openings (26.7%). Hours show when Campsite Sniper first detected each opening, in Mountain Time, not when the change was made upstream.
Lead-time profile
Days before stay date · percentilesHalf of the openings Campsite Sniper detected appeared at least 7 days before the stay date; the middle 50% land 2–10 days out. Set an alert if you want Campsite Sniper to monitor future openings.
Highest-churn sites
Most openings · 90d| Site | Openings | Share of all openings |
|---|---|---|
| 003 | 9 | 6.9% |
| 030 | 8 | 6.1% |
| 032 | 8 | 6.1% |
| C | 7 | 5.3% |
| E | 7 | 5.3% |
Site 003 had the most detected openings in the last 90 days: 9. One free watch covers every site here.
02 · Availability Outlook · Sep 18 – Sep 27, 2026 · of 49 monitored sites
Of the 490 tracked site-nights (Sep 18 – Sep 27, 2026): 14 open for online reservation · 476 reserved.
Where the open windows are
97.1% of tracked site-nights are not currently open for online reservation. 14 of 490 remain open; here is where they are.
Load status
Sep 18 – Sep 27, 2026Not open online97.1%
Open site-nights14 / 490
Reserved (of online inventory)476 / 490
Weekday openings8
Weekend openings6
Of the open site-nights on mapped sites, 8 fall on weekdays and 6 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Sep 2026September holds the most room. 14 of 490 site-nights are still open there.
Holiday windows
Sites open per night · of 47 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 |
|---|---|
| 027 | 2 |
| 003 | 1 |
| 005 | 1 |
| 007 | 1 |
| 015 | 1 |
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 dateMon · Sep 21
The next bookable night is Sep 21. Campsite Sniper can watch later dates for you.
Stays and site detail
14 open site-nights across 13 sites at Rocky Mountain National Park Aspenglen Campground, from the same hourly snapshot as everything above.
RV length. Longest recorded site here is 30 ft. 14 sites take 25 ft. 19 sites of 47 have no recorded maximum and are not counted.
All 13 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 027 | Not recorded | None | 2 | 1 night | Sep 21, Sep 27 |
| 003 | Not recorded | None | 1 | 1 night | Sep 27 |
| 005 | Not recorded | None | 1 | 1 night | Sep 24 |
| 007 | 18 ft | None | 1 | 1 night | Sep 27 |
| 015 | Not recorded | None | 1 | 1 night | Sep 22 |
| 022 | Not recorded | None | 1 | 1 night | Sep 22 |
| 023 | 2 ft | None | 1 | 1 night | Sep 21 |
| 025 | 18 ft | None | 1 | 1 night | Sep 23 |
| 026 | Not recorded | None | 1 | 1 night | Sep 21 |
| 029 | 30 ft | None | 1 | 1 night | Sep 27 |
| 031 | 21 ft | None | 1 | 1 night | Sep 21 |
| 032 | 26 ft | None | 1 | 1 night | Sep 27 |
| E | Not recorded | None | 1 | 1 night | Sep 27 |
About Rocky Mountain National Park Aspenglen Campground
Overview
Aspenglen is located on the east side of Rocky Mountain National Park near Fall River Entrance. All campsites in Aspenglen Campground are available by reservation only and can be reserved via Recreation.gov.
When making your campsite reservation, be aware that:
Any sites that are open are listed as "A" for available; this means those campsites are available to be reserved.
Any campsite listed as “NR” has Not Yet Released; this means that those campsites are not yet available to be reserved.
A number of campsites are available to be reserved up to 6-months in advance on a rolling window.
Some campsites are available to be reserved 2-weeks prior to your desired camping date.
Some campsites are available to be reserved 1-week prior to your desired camping date.
Is a Timed Entry Reservation Included with my Camping Reservation?
Yes. Campers with reservations for Aspenglen Campground have a " Timed Entry+ Bear Lake Road " reservation included with your camping reservation. Your campground reservation will serve as your vehicle timed entry reservation. Campers can enter RMNP via the Grand Lake, Beaver Meadows or Fall River Entrances beginning at 1 p.m. on the first day of your camping reservation. Remember to print and bring a copy of your campground reservation with you and keep this in your vehicle. You will be asked to show your campground reservation confirmation at the park's entrance station upon arrival.
When Can I Check into My Campsite?
Check In begins at 1 p.m. for all campsites in Rocky Mountain National Park.
What Time is Check Out?
All campers must check out of their campsites in Rocky Mountain National Park by noon.
How Many Nights Can I Stay at Aspenglen Campground?
In Rocky Mountain National Park, there is a 7-night limit for all campgrounds during the summer season. This means that campers can stay a total of 7 nights inside the park. This limit includes overnight stays at all campgrounds. For instance, a camper could spend 7 nights at Aspenglen Campground or they could stay 3 nights at Aspenglen Campground and 4 at Timber Creek Campground.
Recreation
Rocky Mountain National Park has over 350 miles of hiking trails that range from flat lakeside strolls to steep mountain climbs. One of the most popular activities in the park is wildlife viewing. There are excellent wildlife viewing opportunities to see elk, Mule deer, Bighorn sheep, hawks, a wide range of songbirds and more throughout the park.
Rocky Mountain National Park offers some unforgettable scenic views along of the land above trees, over 1/3 of the park is alpine tundra. Enjoy incredible scenic drives along Trail Ridge Road and Old Fall River Road.
Facilities
Aspenglen Campground contains several drive-to family sites for both tents and RVs. There are a few campsites that are more secluded. These are tent-only sites that campers have to walk to, located away from your vehicle's parking space.
Each campsite is equipped with a picnic table, fire ring with grate, and tent pad.
Roads and parking spurs are paved. Flush toilets and drinking water are provided. Generators are only permitted to be used in Loop C. Generator Hours are in the mornings from 7:30 a.m. to 10:00 a.m. and in the afternoons from 4:00 p.m. to 8:30 p.m.
Natural Features
A pleasant mix of Douglas fir, Lodgepole pine, Ponderosa pine and the occasional Engelmann spruce forests the campground, offering equal amounts of sun and shade. Grasses, shrubs and seasonal wildflowers fill the open meadows.
Wildlife is plentiful in the park: mule deer and the majestic Rocky Mountain elk are the most commonly spotted, although black bear, coyote, bighorn sheep and moose inhabit the region as well.
Nearby Attractions
The Town of Estes Park is a short drive from the campground, located outside of RMNP’s Beaver Meadows and Fall River Entrances. Dining, shopping, rafting, fly fishing, horseback riding, and golfing opportunities await. Lake Estes offers boating, sailboarding, and fishing.
49 monitored sitesRVs up to 30 ftNo hookups40 shadedPets OKFire pitsMax party 8
Getting there
From Estes Park, CO: Drive on U.S. Highway 34 west from Estes Park. The closest entrance to the park is the Fall River Entrance. The turn for Aspenglen Campground is approximately 0.2 miles from the entrance, located on the left side of the road. From Grand Lake, CO: Drive on U.S. Highway 34 east, which becomes Trail Ridge Road inside the park. Enter at the Grand Lake Entrance. Follow Trail Ridge Road east across the continental divide approximately 40 miles. When you come to Deer Ridge Junction, follow the signs for Fall River Road and turn left. Follow Fall River Road east past Horseshoe Park and look for the entrance to Aspenglen Campground on the right side of the road. Aspenglen Campground is approximately 0.2 miles before the exit to the park.
1000 Highway 36, Estes Park, CO 80517970-586-1206
Accessible SwimmingAmphitheaterBackpackingBikingCampingCanoeingDay Use AreaEvening ProgramsFishingGuided Interpretive WalksHikingHorseback RidingInterpretive ProgramsKayakingMountain ClimbingPicnickingRanger StationScenic DriveSkiingSnowshoeingVisitor CenterWildernessWildlife Viewing
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-233187 · facility + sites
Photo gallery
Roll CS-233187 · Rocky Mountain National Park Aspenglen Campground · Estes Park CO12 frames · facility + sites
FAQ
How do I get a reservation at Rocky Mountain National Park Aspenglen Campground?
Reservations for Rocky Mountain National Park Aspenglen Campground are made through Recreation.gov. 97.1% of tracked site-nights are not currently open for online reservation; 14 of 490 remain open. Campsite Sniper has also detected 131 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 Rocky Mountain National Park Aspenglen Campground?
Campsite Sniper detected 113 site-date openings at Rocky Mountain National Park Aspenglen Campground in the last 7 days, 131 over 30 days and 131 over the last 90.
Which sites at Rocky Mountain National Park Aspenglen Campground 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. 28 of those 47 sites have a recorded maximum length and 19 do not; they are not counted as fitting.
Which month has the most availability at Rocky Mountain National Park Aspenglen Campground?
September 2026, with 14 open site-nights in the current snapshot of 490.
How far ahead of a stay do openings appear at Rocky Mountain National Park Aspenglen Campground?
Half of the openings Campsite Sniper detected appeared at least 7 days before the stay date; the middle 50% landed 2-10 days out. Campsite Sniper can monitor future changes for dates you select.
When is the next open date at Rocky Mountain National Park Aspenglen Campground?
As of the Sep 18, 2026 snapshot: the next open date is Mon, Sep 21. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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