12 days in Colorado Itinerary

12 days in Colorado Itinerary

Created using Inspirock Colorado trip itinerary planner

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Route & dates

12 days in Colorado Itinerary

Start: New York City
Fly:  7​h
1
Denver
— 2 nights
Drive:  1​h
2
Boulder
— 4 nights
Bus + Fly:  3​h 30​min
3
Aspen
— 5 nights
Fly:  8​h 45​min
End: New York City

2
nights
Denver

Denver ©
Aptly nicknamed the "Mile-High City," Denver sits at an altitude of 1,600 m (5,280 ft) above sea level, located right where the Great Plains give way to the Rocky Mountains.
You've now added Red Rocks Park and Amphitheatre to your itinerary. Kick off your visit on the 24th (Fri): identify plant and animal life at Butterfly Pavilion and Insect Center, then explore and take pictures at Dinosaur Ridge, and then see a show at Red Rocks Park and Amphitheatre. Get ready for a full day of sightseeing on the 25th (Sat): take in the dramatic natural features at Roxborough State Park and then explore the landscape on two wheels at Cherry Creek State Park.

Make your Denver itinerary with Inspirock to find out what to see and where to go.

New York City to Denver is an approximately 7-hour flight. You can also do a combination of bus and flight; or drive. The time zone changes from Eastern Standard Time (EST) to Mountain Standard Time (MST), which is usually a -2 hour difference. Expect a bit cooler evenings in Denver when traveling from New York City in August, with lows around 58°F. Wrap up your sightseeing on the 25th (Sat) to allow time to drive to Boulder.

Things to do in Denver

Parks Wildlife Outdoors

Side Trips

Morrison, Cherry Creek State Park, Butterfly Pavilion and Insect Center, Roxborough State Park
Highlights from your plan
Butterfly Pavilion and Insect Center ©
Cherry Creek State Park ©
Cherry Creek State Park
Roxborough State Park ©
Roxborough State Park

4
nights
Boulder

Boulder ©
Located in the foothills of the Rocky Mountains, Boulder is a busy college town known for its progressive values and natural resource conservation.
Your day-by-day itinerary now includes Lily Lake. Get in touch with nature at Trail Ridge Road and Alberta Falls. Step off the beaten path and head to St Mary's Glacier and Chapel on the Rock. Explore the numerous day-trip ideas around Boulder: Rocky Mountain National Park (Many Parks Curve Overlook & Sprague Lake) and Guanella Pass (in Georgetown).

To see reviews, ratings, more things to do, and tourist information, use the Boulder day trip planning tool .

You can drive from Denver to Boulder in an hour. Alternatively, you can take a bus. Expect a daytime high around 85°F in August, and nighttime lows around 58°F. Finish up your sightseeing early on the 29th (Wed) so you can travel to Aspen.

Things to do in Boulder

Parks Nature Outdoors

Side Trips

Rocky Mountain National Park, Guanella Pass, St Mary's Glacier
Highlights from your plan
Trail Ridge Road ©
Trail Ridge Road
St Mary's Glacier ©
St Mary's Glacier
Chapel on the Rock ©
Chapel on the Rock

5
nights
Aspen

Aspen ©
Known as a ski resort town, Aspen's history goes back to its roots as a silver-mining village tucked away in an isolated valley of the Rocky Mountains.
Take a break from the city and head to Rio Grande Trail and McCullough Gulch. You'll explore the less-touristy side of things at Crater Lake Trail and Aspen Highlands. Go for a jaunt from Aspen to Fairplay to see South Park City Museum about 1h 40 min away. The adventure continues: take in the awesome beauty at Maroon Bells, identify plant and animal life at Maroon Bells-Snowmass Wilderness Area, and trek along Maroon Lake Scenic Trail.

To find where to stay, reviews, other places to visit, and tourist information, read Aspen road trip planning website .

You can do a combination of bus and flight from Boulder to Aspen in 3.5 hours. Alternatively, you can drive; or do a combination of bus, flight, and shuttle. In August, Aspen is slightly colder than Boulder - with highs of 77°F and lows of 46°F. On the 3rd (Mon), you're off tohome.

Things to do in Aspen

Parks Outdoors Trails

Side Trips

McCullough Gulch, Maroon Bells-Snowmass Wilderness Area, South Park City Museum
Highlights from your plan
Maroon Lake Scenic Trail ©
Maroon Lake Scenic Trail
South Park City Museum ©
South Park City Museum

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