In this guide
You just landed in Denver — a mile high, so take the first day easy and drink more water than feels necessary. The A Line train runs from DEN to Union Station in about 37 minutes on a $10 Airport Day Pass. Sort your Airalo eSIM before you land, and book a Red Rocks and Golden tour — the amphitheatre is the city's front porch.
Quick facts
Airport
Getting in
Currency
Languages
Time zone
Emergency
Plugs
Tap water
Tourist tax
Best months
Map
Stays, sights, and landmarks in Denver — live hotel prices plus the key places from this guide.
Settle in
1. Start the altitude plan on the plane
At 5,280 feet, drink water before you are thirsty, keep the first evening short and light, and go easy on alcohol — it hits harder up here. Grab an Airalo eSIM before you fly — Saily is an alternative — so the RTD app, rideshare and maps work on landing.
2. Make Union Station your living room
The A Line lands inside the 1914 Great Hall; base in LoDo or by the station — the free 16th Street shuttle, light rail downstairs, Coors Field, the Dairy Block and Larimer Square within ten minutes.
3. Eat green chile before you do anything fancy
First-night protocol: a smothered burrito at a diner counter, water beside it — pork, roasted green chiles, a gravy with opinions. It settles the stomach and teaches the heat scale for a fraction of night three's steakhouse.
4. Learn to navigate by the mountains
The peaks are always west, locals direct from them: LoDo for the station and sights, RiNo north-east, the Highlands north-west across the river, Capitol Hill and the museums south-east. Climb in altitude order: city 5,280 feet, Red Rocks 6,450, the park road above 12,000.
Getting around
Times are airport to city centre.
RTD A Line train
Direct to Union Station, every 15 minutes at peak, 30 off-peak, about 3am to after 1am. Level boarding, luggage towers, no Peña Boulevard traffic.
Uber and Lyft
Pickups on Level 5, at the signed islands. Surges when flight banks land and on Broncos game days; E-470 beats I-70 but bills the toll to your ride.
Taxi
Taxis queue on Level 5 around the clock. The zone flat rate includes the airport access fee, so traffic never changes it — the predictable choice when Peña Boulevard crawls.
Rental car
All major brands sit along Peña Boulevard, free shuttles from Level 5. Rent for the mountains, not downtown — parking runs $20–40 a day.
DEN is one terminal, three concourses: check in at Jeppesen Terminal and ride the train to gates A, B or C; arriving, reverse it — train back, bags on Level 5, signs south to the Transit Center. The A Line station sits at the base of the Westin, five minutes from baggage claim; machines sell the $10 Airport Day Pass; proof-of-payment applies.
At Union Station the A Line meets light rail and buses: 3-hour pass $2.75, day pass $5.50, riders 19 and under free — tap a contactless card or use the RTD MyRide app. The 16th Street FreeRide — the free electric shuttle, the old MallRide renamed when the rebuilt 16th Street reopened in October 2025 — runs to Civic Center Station every few minutes. Landing at midnight is the exception: Welcome Pickups runs fixed-price transfers, waiting at arrivals.
In the city
Start at the Capitol, and stand exactly one mile up.
The 13th step of the gold-domed Capitol's west staircase is the marker: one mile above sea level, 5,280 feet exactly. The Denver Art Museum — Gio Ponti tower, Hamilton Building, a great Indigenous art collection — charges around $25, the Clyfford Still Museum next door. CityPASS bundles three, four or five attractions — art museum, Museum of Nature and Science, zoo — from $54 over seven days: compare Denver passes on Klook.
Dive into Meow Wolf, Denver's strangest afternoon.
Convergence Station, out by the Colfax viaducts, is the biggest Meow Wolf yet: four floors of immersive art as a transit hub for alien worlds, a borrowed city street inside. It swallows two to three hours; timed tickets start around $37, peak slots cost more. Book Meow Wolf Convergence Station tickets on Tiqets and skip the door line.
Give RiNo an evening of walls and taprooms.
The River North Art District paints its warehouse alleys with murals: the Denver Central Market food hall, then Larimer and Walnut. A hundred-plus breweries pour across the metro area, the Great American Beer Festival fills the convention centre every autumn, and the local order is a flight, not a pint, until you know your altitude tolerance. By day, ride the Cherry Creek Trail — 40-plus paved miles from Confluence Park — in the cool morning: rent a bike through BikesBooking.
Catch a game or a sunset at Coors Field.
The Rockies' brick ballpark is famously hitter-friendly — the thin air that tires you carries baseballs out — and a summer evening game, mountains pink behind the scoreboard, is Denver's favourite night out. Upper-deck tickets are cheap, the Rockpile seats cheaper; a green chile smothered anything on Blake Street before the game.
After you land in Denver: Bookable experiences
Where to stay your first nights
The Crawford Hotel.
Best for Union Station style1701 Wynkoop Street, inside Union Station: sleep in the 1914 station's upper floors, the Great Hall as your lobby, the A Line downstairs, rooms nodding to the Pullman era.
The Maven Hotel.
Best for Dairy Block food and drink1850 Wazee Street, in the Dairy Block: a boutique in the old Windsor Dairy block — big windows, rotating local art, swings and hammocks in some rooms, bars and restaurants below. Coors Field is five minutes; the FreeRide stops outside.
Hostel Fish.
Best for RiNo on a budget1217 20th Street, by Coors Field: a hostel in a restored 19th-century building — themed dorms from about $35 a night, private rooms, a sociable bar, a 24-hour desk. Union Station is an 11-minute walk; the $10 train is the whole airport strategy.
Where to eat first
Sam's No. 3 — the green chile diner.
Map → 1500 Curtis Street. A 1920s Coney Island diner: a menu the size of a novella, pork green chile over almost all of it — order the breakfast burrito smothered, water doing altitude duty.
El Taco de México — Mexico City cooking since 1985.
Map → 714 Santa Fe Drive, in the Santa Fe arts district. A no-frills counter with a salsa bar: tacos de lengua and buche, the chile relleno burrito smothered in the green chile regulars call the planet's best.
Guard and Grace — the modern steakhouse splurge.
Map → 1801 California Street, downtown. Chef Troy Guard's oak-fired room: prime steaks and wagyu off the wood grill, a raw bar, duck fat fries. Book it once acclimatised — a tomahawk and two cocktails on night one is a rookie error.
Order — green chile, smothered, with a local lager.
The signature order: anything — burrito, fries, a burger — smothered in green chile, and the heat scale: medium has ended conversations. Taprooms pour saisons and hazy IPAs.
Skip — the big first-night blowout.
Rich food at sea-level pace is the classic day-two destroyer. Night one is the diner, water and an early bed — the steakhouse and summit keep.
Day trips and more
The mountains start half an hour from the station. Book before you fly; summer slots go first — tours handle the driving and paperwork. Compare Tiqets, then book a Red Rocks and Golden tour.
Red Rocks and Golden
Two 90-metre sandstone fins rise from the foothills 25 minutes west, the world's most beautiful concert venue between them. The park is free on non-event days, opening an hour before sunrise — come at dawn for locals running the rows, yoga on the stage, walk the Trading Post Trail, and note show days close the amphitheatre in the early afternoon. Golden sits below: Clear Creek, the Coors brewery, Buffalo Bill's museum and grave on Lookout Mountain.
Check availability →
Rocky Mountain National Park
Up the Peak to Peak corridor to Estes Park: 14,000-foot skyline, alpine lakes, elk on the lawns. Trail Ridge Road — the highest continuous paved road in the US — tops at 12,183 feet; go once acclimatised. Timed entry, late May to mid-October: reserve on Recreation.gov — Bear Lake Road slots 5am–6pm, the rest of the park 9am–2pm, 40 percent held back to 7pm the night before. Reservation $2 per vehicle, on top of the pass: $30 a day, $35 a week, plus $100 per non-US resident 16 or over without the $250 annual pass.
Check availability →
Garden of the Gods and Pikes Peak
In Colorado Springs, Garden of the Gods' red fins stand in a free public park — free by the gift's terms, park and visitor centre both. Then climb Pikes Peak — 14,115 feet, America's most famous summit: the Cog Railway from Manitou Springs, since 1891, takes about three hours return, from $67 online. Up top: high-altitude donuts, the view that inspired America the Beautiful, air at half the oxygen — walk slowly.
Check availability →If you stay longer:
Boulder, 40 minutes north-west — Flatirons, Pearl Street Mall, Chautauqua trailheads; the Georgetown Loop Railroad and Idaho Springs hot springs, ski country in winter — Loveland close, Breckenridge about 90 minutes; a slow day for the Botanic Gardens and the Clyfford Still Museum.
When to go and what it costs
The city markets 300 days of sunshine; the honest version is a high, dry climate whose weather can change by lunch. May and June: green foothills, long evenings; September and October are the sweet spot — golden aspens, the beer festival downtown, Red Rocks in season. Summer days reach the low 30s Celsius, with a near-daily afternoon thunderstorm clearing by dinner. Winter means ski season and a city swinging between powder days and spring-like sun, snow possible any time from September to May — Trail Ridge Road, Red Rocks concerts and timed entry run the same late-May-to-mid-October season.
The money: budget days run about $110–180 with the A Line, the free 16th Street shuttle, hostel beds and diner green chile. Mid-range trips land around $260–440 once hotel tax and a Meow Wolf or museum day land. Splurge days with the Crawford, a steakhouse and a private mountain tour pass $700. Denver's general sales tax is 8.81 percent, added at the till. The disruption risk is weather: thunderstorms delay summer flights and I-70 snow closes mountain passes, so if a rebooked flight strands you, AirHelp files the compensation claim for you on a no-win, no-fee basis — and keep a buffer night before unmissable flights.
What to pack
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Pack for a mile-high city: fierce sun, fast weather, days that climb from 5,280 feet to 14,000.
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Language, visa and entry
✓ Visa-free entry
English runs Denver, Spanish alongside it — airport, RTD and most menus bilingual, and a little Spanish is welcomed. Its own shorthand — LoDo, RiNo, fourteener — unlocks the city.
Visa Waiver visitors — the UK, most of the EU, Japan, Australia and others — need an ESTA approved at least 72 hours before departure: $40 since 30 September 2025, valid two years, stays up to 90 days, e-passport required. Canadians enter visa-free for up to six months; everyone else needs a B-2 visitor visa arranged well ahead. Summer arrival banks are heavy — Global Entry or the free Mobile Passport app shortens the worst queues — and CBP will ask where you are staying, have the first address handy.
Colorado specialty: cannabis, legal since 2014. Licensed dispensaries operate citywide — adults 21 and over buy with photo ID, many shops still prefer cash. The visitor traps are enforced: no smoking or vaping in public — streets, parks, the 16th Street corridor; no driving after consuming; never carry it across a state line or into the airport — it remains federally illegal, DEN sits under federal rules at security, and the amnesty boxes before the checkpoints exist for leftovers.
Safety and health
Altitude is the main event
You land at over 5,400 feet and sleep at 5,280, then day-trip to 12,000 feet — headache, broken sleep and breathlessness are standard. Hydrate before, during and after the flight, take day one easy, climb gradually. If a headache worsens, or nausea and dizziness do not lift, descend and call 911.
Sun and sudden weather
UV is fierce in every season — sunscreen and a hat are year-round kit. Summer thunderstorms build over the peaks by early afternoon, with lightning: summit by noon and head down as clouds stack. Winter swings 20 degrees in a day; layers stay in the daypack October to May.
Alcohol and edibles hit harder
One drink at altitude counts for two — pace the taproom flights, alternate with water, skip the big first-night session. Edibles are the visitor trap: effects arrive late, last long and feel stronger at 5,280 feet. Start with the smallest dose, wait, never drive afterwards.
Downtown awareness at night
Downtown, LoDo and the station are busy, lit and well policed on event nights, the FreeRide corridor the spine after dark. Station and shelter-corridor blocks feel rougher late: stick to lit main streets and take a rideshare after midnight over walking an empty grid.
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Frequently asked questions
The facts that matter after you land in Denver.
Verified against RTD, the City of Denver and the National Park Service, October 2026.
The RTD A Line runs from the airport Transit Center to Union Station in about 37 minutes.
The fare is the $10 Airport Day Pass - a system-wide day pass, since there is no single-ride airport ticket anymore.
Denver sits at 1,609 m - exactly a mile. Most visitors feel it as tiredness, a headache or poor sleep on day one.
Hydrate hard, take the first day easy, and go slow on alcohol - it hits noticeably harder up here.
14.75%: the 10.75% city Lodger's Tax plus state, RTD and cultural district taxes.
Hotels with 50 or more rooms add the 1% Tourism Improvement District fee, taking them to 15.75%.
In season, yes: timed entry runs from late May to mid-October, with a $2 permit per vehicle booked on Recreation.gov.
Entry itself is $30 for one day or $35 for seven, and non-US residents aged 16+ pay an extra $100 each unless they hold the non-resident annual pass.
Yes - mountain-fed and excellent, which is lucky: at altitude you should be drinking more of it than usual.
Carry a bottle everywhere; the dry air dehydrates you without any sweat to warn you.
May to June and September to October bring warm days, cool nights and the clearest mountain views.
The free 16th Street FreeRide shuttle crosses downtown year-round; winter adds ski traffic through the airport and fast-changing storms.
A Line airport fare is the $10 Airport Day Pass; local 3-hour pass $2.75; hotel tax 14.75%, 15.75% at larger hotels; tap water safe; Type A/B sockets at 120V; ESTA $40 for Visa Waiver visitors.
Denver, in your pocket
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Sources and last verified
Verified October 2026 against their sources: RTD's published fares and DEN's ground transport pages; Denver's tax rates — the 10.75 percent Lodger's Tax plus 2.9 percent state sales tax, 1 percent RTD and 0.1 percent cultural district making 14.75 percent, rising to 15.75 percent at properties of 50 rooms or more with the 1 percent Tourism Improvement District fee; Red Rocks Park and Amphitheatre visitor information — free entry and parking on non-event days, hours an hour before sunrise to an hour after sunset; Meow Wolf and Denver Art Museum admission; the National Park Service's Rocky Mountain pages — the $100 non-resident fee in place since January 2026, and timed entry; Garden of the Gods' free entry and the Pikes Peak Cog Railway; and the ESTA fee of $40 effective 30 September 2025. Hotel and restaurant listings checked the same month. Found something out of date? Tell us and we will fix it.
Affiliate disclosure: hotel names, transfers, experiences, and products linked in this guide may earn After You Land a commission at no extra cost to you. Prices and times were checked in Oct 2026 and change often — confirm before you book.