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Major city · United States

BoulderBoulder, Colorado

Give Boulder 2 nights: one for Pearl Street and Chautauqua, one for the Flatirons or Eldora. Skip it as a Denver base — the bus is 1 h each way.

Weather
see forecast
Currency
USD
Best months
May–Jun, Sep–Oct
avoid Jul–Aug (afternoon storms), Jan–Feb (cold, snow)
Airport
DEN
Nights
2
Not field-verifiedbasic guide
Print / PDF guide
3 pages, for the metro and roaming-off days
Map
Google Maps Apple Maps Street View
Rules in force · 7Crossing between the US, Canada and Mexico by land needs …Cannabis is legal in Canada and in many US states, but ta…
  • North America ↗Crossing between the US, Canada and Mexico by land needs your passport even on a day trip; rental cars need the company's written permission to cross, and most US and Canadian rental insurance stops at the Mexican border.
  • North America ↗Cannabis is legal in Canada and in many US states, but taking any amount across the US, Canadian or Mexican border is a federal crime — including edibles and vapes.
  • North America ↗The busiest US and Canadian national parks need timed-entry, campsite or lodge reservations in summer; release dates are months ahead.
  • United States ↗Check whether you need an ESTA (Visa Waiver Program) or a visa on the official CBP and State Department sites; apply only through esta.cbp.dhs.gov, not third-party sites, and allow time before you book.
  • United States ↗Several popular national parks use timed-entry or vehicle reservations in peak season; check each park's page on nps.gov and book on recreation.gov before fixing your dates.
  • United States ↗Medical care is very expensive for visitors; buy travel insurance with high medical cover before you fly.
  • United States ↗Tipping is expected: about 15–20% at sit-down restaurants and bars, and a tip for taxis, hotel staff and guides.

Boulder sits at the foot of the Flatirons, 24 mi (about 40 km) northwest of Denver, and is a college town built around outdoor sport: hiking, cycling, climbing and trail running start inside the city limits. It is expensive for its size, walkable in the centre, and best used as a 2-night stop on a Front Range trip rather than a day trip from Denver.

Essentials

Quick answers and what things cost

Quick answers

The questions people ask first about Boulder, one line each. Tap a card for the full answer.

Cost cheat-sheet

2026 desk estimate · check

Typical prices for the everyday things, as ranges. Your currency is shown next to the local price.

  • Coffee$4–7
  • Sit-down mealDinner, mid-range, before tax and tip$20–35
  • Street or quick mealLunch on Pearl Street$12–22
  • BeerCraft beer, pint$7–9
  • Metro or bus rideRTD local bus fare$3 (check)
  • Budget bedHostel dorm bed, a night, per personUS$55
  • Mid-range bedMid-range hotel double room, a night, per roomUS$220
  • High-end bedMid-range hotel double room, a night, per roomUS$380

A day, not counting the bed: Budget US$110 · Mid US$190 · High US$320

Prices in local money; change the currency in the header to see yours next to them. Every price and the budget calculator →

Decide

What it is known for, and when the weather works

At a glance

What the city is known for, how you fly in, and where to find the phrases.

The Flatirons and Chautauqua ParkPearl Street MallUniversity of Colorado BoulderTrail running and cycling at altitudeCelestial Seasonings tea factory tour
Airports
DEN Denver International Airport (RTD AB bus runs direct to Boulder; about 1 h 10 min)

Weather and climate

Forecast from Open-Meteo · averages rounded

Boulder: next 7 days

Loading forecast…

Forecast: Open-Meteo (CC BY 4.0), model data for this point.

Air quality

Loading…

Model estimate (CAMS via Open-Meteo), not a street-level station; readings near busy roads run higher.

Jan

8°C

−6°C

5 rd

Feb

9°C

−5°C

5 rd

Mar

14°C

−2°C

7 rd

Apr

17°C

1°C

8 rd

May

22°C

6°C

9 rd

Jun

28°C

11°C

7 rd

Jul

31°C

14°C

7 rd

Aug

30°C

13°C

7 rd

Sep

26°C

9°C

6 rd

Oct

19°C

3°C

5 rd

Nov

12°C

−2°C

5 rd

Dec

8°C

−6°C

5 rd

High / low °C · rd = rain days

Arrive & move

Airports are listed under At a glance; this is how to move once you are in

Getting around

RTD buses cover the city and the Denver commuter corridor (Flatiron Flyer every 15 min or better). Downtown and the creek path are walkable; most sights sit within 2 mi of Pearl Street. B-Cycle bike share has stations downtown and near campus. A car helps for Eldora, Eldorado Canyon and trailheads.

See & do

Day-trips, door to door

Day-trips

Door-to-door, not ride time

Denver

go

Door to door: About 1 h

RTD Flatiron Flyer from Downtown Boulder Station

Runs every 15 min or better; no need to drive.

Estes Park and Rocky Mountain National Park

go

Door to door: About 1 h 30 min

Bustang summer seasonal bus from Boulder

Seasonal — check the summer timetable before planning around it.

Eldora Mountain Resort

go

Door to door: About 45 min

Car, or RTD NB shuttle in winter

21 mi west; the closest ski hill to town.

Eldorado Canyon State Park

go

Door to door: About 25 min

Car via CO-93 and CO-170

Short walks and climbing views; day-use fee applies.

Fort Collins

caution

Door to door: About 1 h 30 min

Transfort F3X express via Longmont and Loveland

Doable as a day, better as an overnight.

Eat & sleep

Which area to sleep in

Where to sleep

Areas, not hotels: pick the one that fits your arrival time and plans.

Downtown / Pearl Street

Walk to restaurants and the creek path; priciest and noisier on weekend nights.

University Hill

Cheaper, student bars and cheap eats; 15 min walk to Pearl Street.

North Boulder / 28th St

Free-ish parking, chain hotels, 10 min drive to downtown.

South Boulder / Table Mesa

Closest to Chautauqua and the Flatirons trailheads; quiet, car useful.

Practical

What a day costs, what to watch out for, and the pocket card

Cost per day

2026 estimate, excluding the bed unless stated
Budget
$90–140 excl. bed
Mid
$150–230 excl. bed
High
$250+ excl. bed

Trip budget

2026 estimate · converts to your currency
Mid-range hotel double room1 × 2 nights × US$220US$440
Food, local transport, entries2 × 2 days × US$190US$760
RTD AB bus, DEN to Boulder, one way2 × US$12 · checkUS$24
B-Cycle day pass2 × US$8 · checkUS$16
Eldorado Canyon State Park day-use fee1 × US$10 · checkUS$10
eSIM, about a week of data2 × US$15US$30
Buffer 10%Price creep, a taxi you did not plan, one splurgeUS$128
Trip total≈ US$352 per person per day, bed includedUS$1,408

2026 estimate in US dollars; flights excluded. Your choices stay in this browser.

Prices of common things

Coffee$4–7
Lunch on Pearl Street$12–22
Dinner, mid-range, before tax and tip$20–35
Craft beer, pint$7–9
RTD local bus fare$3 (check)
Rideshare, downtown to Chautauqua$10–15

2026 estimate; check locally.

Watch out

Safety

Boulder is a low-crime city by US standards; the real risks are altitude, summer lightning above treeline, and traffic around cyclists and pedestrians downtown.
  • Altitude: 5,400 ft (1,650 m). Take the first day easy; drink more water than usual.
  • Afternoon thunderstorms in summer — be off exposed ridges by early afternoon.
  • School zones drop to 20 mph when yellow lights flash; red-light cameras are common.
  • Parking near campus is ticketed aggressively; use city garages behind downtown buildings.
  • Living and hotel costs run high for a city this size.

Emergency numbers

Police, fire, ambulance
911

Pocket card

One page · print or save as PDF

Fill in, then print or save as PDF

Stays in this browser only; nothing is sent anywhere.

BoulderBoulder, Colorado

Pocket card · Voykit

My bed tonight

—

—

—

To this address, pleaseTo this address, please

Emergency

  • Police, fire, ambulance911

Embassy

No embassies in Boulder; consulates-general are in Denver (check the address for your country).

My embassy: —

Fare anchors (2026 estimate)

  • DEN to Boulder, RTD AB: about $12, about 1 h 10 min (check)
  • Boulder to Denver, Flatiron Flyer: about $6, about 1 h (check)
  • B-Cycle day pass: $8 for 24 h, rides under 30 min (check)

Say or show

  • How much is it? — How much is it?
  • Where is the trailhead? — Where is the trailhead?
  • Is there a fee? — Is there a fee?
  • Can I pay by card? — Can I pay by card?
  • Where is the nearest bus stop? — Where is the nearest bus stop?
  • I need help. — I need help.

Tipping is expected: 18–22% at sit-down restaurants, $1–2 a drink, 15–20% taxis.

Deep dive

What this guide covers so far, and its sources

Not a trip line yet

This is a basic guide: no airport-to-bed contract, walking clusters or day plans are published for Boulder. Airport, fare and schedule details are unverified; check the operators before you fly.

What we know, and what is coming

On this page

  1. Best months: May–Jun, Sep–Oct · avoid Jul–Aug (afternoon storms), Jan–Feb (cold, snow) · month by month →
  2. 1 airport and 4 areas to sleep in
  3. Weather: a 7-day forecast and monthly averages
  4. Cost per day in 3 bands
  5. 5 day-trips, door to door
  6. 5 things to watch out for, with emergency numbers

Coming as the guide grows

  1. Airport-to-bed contract for DEN: last AB departure field-checked, rideshare fallback, overnight rung.
  2. Four walking clusters with rescue anchors: Pearl Street, University Hill, Chautauqua, Boulder Creek Path.
  3. Place pages with verified trailhead parking and shuttle cutoffs (Chautauqua, Flatirons, Eldorado Canyon).
  4. Altitude and storm fixtures so gate status can go green or red by hour.

Meanwhile

Back to United States

Sources