From the airport, the Front Range is a ragged line on the western horizon. By evening you can be parked beneath it near Estes Park, and the next day Trail Ridge Road carries you above the trees to 12,183 feet, where the National Park Service says the air is usually 20 to 30 degrees colder than in town.
Rocky Mountain National Park is one of the easiest big parks to reach from a major airport. From Denver International (DEN) to Estes Park is under two hours, so you can land, pick up your RV, and sleep near the park the same night.
Quick answer
- Drive DEN → Estes Park: about 70–80 miles, 1.5–2 hours [A].
- Best for: 4–7 day trips, or as the first stop on a longer Colorado loop.
- Timed entry: in 2026 needed 9 am–2 pm from May 22 to October 12, and 5 am–6 pm for the Bear Lake Road corridor to October 18; a park campground booking includes it (NPS, checked 2026-10-28). 2027 dates are not out yet.
- Trail Ridge Road: closed from about mid-October to late May; its average winter closure date is October 23 (NPS, checked 2026-10-28). Status line: (970) 586-1222.
- Realistic all-in cost, 6 days, 2 people: about $1,200–3,600 by campervan or $1,600–4,500 by Class C for US residents; $1,400–3,800 / $1,800–4,700 if you live outside the US [A], the cost table below rounded outward to the nearest $100.
- Flying in from abroad? Licence, age, deposit and a ready-to-book checklist, then check whether you can pick up the day you land.
Sample 6-day route
Route at a glance · schematic, not for navigation; positions approximate [A]. ☾ N1 = night 1.
- Day 1: Denver (DEN): pick up the RV, drive via Boulder and Lyons to Estes Park
- Day 2: Bear Lake corridor hikes, second night in Estes Park or Moraine Park
- Day 3: Trail Ridge Road to the west side: Timber Creek or Grand Lake
- Day 4: Kawuneeche Valley, same base
- Day 5: Back over Trail Ridge, or via Granby and Berthoud Pass, to an RV park near Denver
- Day 6: Return the RV at DEN
| Day | Leg | Approx. drive [A] | Overnight idea |
|---|---|---|---|
| 1 | Land at DEN, pick up RV, groceries | ~75 mi | Estes Park RV park or Moraine Park campground |
| 2 | Bear Lake corridor hikes | short | Same |
| 3 | Trail Ridge Road to Grand Lake (west side) | ~48 mi | Timber Creek campground or Grand Lake |
| 4 | West side: Kawuneeche Valley | short | Same |
| 5 | Back over Trail Ridge or via Berthoud Pass toward Denver | ~100 mi | RV park near Denver |
| 6 | Return RV, fly out | – | – |
Want it night by night? See the 6-day Rocky Mountain itinerary, day by day, with timed entry, campgrounds and Trail Ridge Road. When campsites open: Recreation.gov guide.
When to go? Heat, snow, road and campground seasons, month by month: best time for Rocky Mountain.
Something stranger, south of Denver? Bishop Castle, the UFO Watchtower and Great Sand Dunes: an unusual 4-day RV loop.
What it really costs (6 days, 2 people)
| Item | Campervan | Class C |
|---|---|---|
| Vehicle rental (base rate) | $600–$1,500 | $900–$2,100 |
| Mileage (~350–450 mi) | $0–$180 | $0–$180 |
| Fuel | $80–$220 | $130–$270 |
| Campgrounds (5 nights) | $190–$520 | $190–$520 |
| Park entry (US residents) | $35–$37 | $35–$37 |
| Kits, prep, cleaning, generator | $50–$360 | $50–$360 |
| Insurance / protection | $150–$240 | $180–$300 |
| Taxes and service fees | $92–$372 | $132–$512 |
| Airport ↔ depot transfer (both ways) | $60–$160 | $60–$160 |
| Total, US residents | $1,257–$3,589 | $1,677–$4,439 |
| Park entry, visitors from outside the US | +$200 low, +$198 high | +$200 low, +$198 high |
| Total, visitors from outside the US | $1,457–$3,787 | $1,877–$4,637 |
Same lines and totals as the full cost page; the cost page explains what drives each line and lists the sources. Lines marked [A] there are our estimates.
Campsites: what to book, and when it opens
Rocky Mountain's four bookable campgrounds sell out in advance, and in summer there are no same-day sales. A campground booking also covers timed entry from 1 pm on your arrival day. Summer 2027 dates are due in mid-November 2026.
| Campground | How to book | Window opens | Max RV length | Good to know |
|---|---|---|---|---|
| Moraine Park | Recreation.gov | 6 months, rolling (some short-term release) | 40 ft | Electric sites in loops B and C, no water hookups; only campground open in winter (first-come from Oct 19) |
| Glacier Basin | Recreation.gov | 6 months, rolling | 35 ft | No hookups; shuttle stop in the campground; Bear Lake Road access with your booking |
| Aspenglen | Recreation.gov | 6 months, rolling | 30 ft | Generators only in loop C at set hours |
| Timber Creek (west side) | Recreation.gov | 6 months, rolling | 30 ft | Dump station and water fill; booking includes timed entry but not Bear Lake Road |
| Longs Peak | First-come | — | Tents only | Early July to early September; no water; timed entry not included |
| Timed entry (if not camping in the park) | Recreation.gov | 2026: monthly blocks on the 1st at 8 am MT (e.g. July dates on June 1); 40% at 7 pm the night before | — | $2, non-refundable; needed 9 am – 2 pm (Bear Lake Road 5 am – 6 pm), May 22 – mid-October 2026 |
Limit: 7 nights in total across all park campgrounds between May 1 and October 15. Cancelled sites reappear on Recreation.gov straight away, so keep checking.
How the windows work: release times, a date calculator, the 15-minute cart, cancellation alerts and BLM back-ups are in our Recreation.gov guide.
Sources, checked 2026-10-28: NPS Rocky Mountain camping · NPS timed entry · Moraine Park · Glacier Basin · Aspenglen · Timber Creek. Rules change each season; confirm on the campground page before you pay. [A] = our estimate.
Driving an RV in the Rockies
- Altitude: Trail Ridge Road climbs above 12,000 feet. Use lower gears on descents and expect slower climbs in a Class C.
- Size: a campervan is far easier on switchbacks and in trailhead parking. See Class C vs. campervan.
- Weather: afternoon thunderstorms are common in summer. Start early.
Before you get quotes
See the full 6-day cost breakdownEvery line: rental, miles, fuel, campgrounds, fees
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