How to get from Castle Rock to Niwot by bus?

From Castle Rock to Niwot by bus

To get from Castle Rock to Niwot in Denver - Boulder, CO, you’ll need to take 3 bus lines: take the GROOME TRANSPORTATION bus from Castle Rock station to Denver International Airport station. Next, you’ll have to switch to the AB2 bus and finally take the BOLT bus from 28th St & Canyon Blvd station to Co 119 & Monarch Rd station. The total trip duration for this route is approximately 3 hr 33 min. The bus schedule from Castle Rock may change. We recommend you check the updated bus schedule to Niwot on the Moovit app.

213min
Walk to bus station
Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
Bus - AB2AB2
Bus - BOLTBOLT
Walk to Niwot
Leaves from Castle Rock

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Castle Rock
    180 yd • 3 min
  • 2
    Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
    Wait for bus
    GROOME TRANSPORTATION
    Denver International Airport
  • 3
    Ride to bus station
    Ride to bus station
    Denver International Airport
    50 min
  • 4
    Walk to bus station
    Walk to bus station
    Denver Airport Station Bus Gates 6,7,8,9 & 10
    ID 34503
    380 yd • 5 min
  • 5
    Bus - AB2AB2
    Wait for bus
    AB2
    Boulder Jct Via E-470
  • 6
    Ride to bus station
    Ride to bus station
    28th St & Canyon Blvd
    ID 17989
    60 min
  • 7
    Bus - BOLTBOLT
    Wait for bus
    BOLT
    23rd/Main
  • 8
    Ride to bus station
    Ride to bus station
    Co 119 & Monarch Rd
    ID 24827
    16 min
  • 9
    Walk to Niwot
    Walk to
    Niwot
    0.73 mi • 15 min
*Duration based on 8am traffic

Alternative route from Castle Rock to Niwot by bus via GROOME TRANSPORTATION, AB1 and BOLT

To get from Castle Rock to Niwot in Denver - Boulder, CO, you’ll need to take 3 bus lines: take the GROOME TRANSPORTATION bus from Castle Rock station to Denver International Airport station. Next, you’ll have to switch to the AB1 bus and finally take the BOLT bus from Downtown Boulder Station Gate 3 station to Co 119 & Monarch Rd station. The total trip duration for this route is approximately 3 hr 33 min. The bus schedule from Castle Rock may change. We recommend you check the updated bus schedule to Niwot on the Moovit app.

213min
Walk to bus station
Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
Bus - AB1AB1
Bus - BOLTBOLT
Walk to Niwot
Leaves from Castle Rock

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Castle Rock
    180 yd • 3 min
  • 2
    Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
    Wait for bus
    GROOME TRANSPORTATION
    Denver International Airport
  • 3
    Ride to bus station
    Ride to bus station
    Denver International Airport
    50 min
  • 4
    Walk to bus station
    Walk to bus station
    Denver Airport Station Bus Gates 6,7,8,9 & 10
    ID 34503
    380 yd • 5 min
  • 5
    Bus - AB1AB1
    Wait for bus
    AB1
    Downtown Boulder Via E-470
  • 6
    Ride to bus station
    Ride to bus station
    Downtown Boulder Station (Ar)
    ID 99850
    66 min
  • 7
    Walk to bus station
    Walk to bus station
    Downtown Boulder Station Gate 3
    ID 26101
    60 yd • 1 min
  • 8
    Bus - BOLTBOLT
    Wait for bus
    BOLT
    23rd/Main
  • 9
    Ride to bus station
    Ride to bus station
    Co 119 & Monarch Rd
    ID 24827
    24 min
  • 10
    Walk to Niwot
    Walk to
    Niwot
    0.73 mi • 15 min
*Duration based on 8am traffic
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Public transit directions from Castle Rock to Niwot

The distance between Castle Rock, Denver - Boulder, CO and Niwot, Denver - Boulder, CO is approximately 94.78 mi, which can typically be travelled in 213 min. Moovit will show you the directions from Castle Rock to Niwot by bus, so no matter how you choose to travel in Denver - Boulder, CO – you will always have plenty of easy options.

Bus schedule from Castle Rock to Niwot

To check the bus schedule from Castle Rock to Niwot using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Castle Rock) and destination (Niwot), then select the desired date and time of travel. Moovit will show all available bus routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each bus, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest bus schedules.

Related Routes

Alternative route from Castle Rock to Niwot by bus via GROOME TRANSPORTATION, AB1 and BOLT

To get from Castle Rock to Niwot in Denver - Boulder, CO, you’ll need to take 3 bus lines: take the GROOME TRANSPORTATION bus from Castle Rock station to Denver International Airport station. Next, you’ll have to switch to the AB1 bus and finally take the BOLT bus from Downtown Boulder Station Gate 3 station to Co 119 & Monarch Rd station. The total trip duration for this route is approximately 3 hr 33 min. The bus schedule from Castle Rock may change. We recommend you check the updated bus schedule to Niwot on the Moovit app.

213min
Walk to bus station
Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
Bus - AB1AB1
Bus - BOLTBOLT
Walk to Niwot
Leaves from Castle Rock

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Castle Rock
    180 yd • 3 min
  • 2
    Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
    Wait for bus
    GROOME TRANSPORTATION
    Denver International Airport
  • 3
    Ride to bus station
    Ride to bus station
    Denver International Airport
    50 min
  • 4
    Walk to bus station
    Walk to bus station
    Denver Airport Station Bus Gates 6,7,8,9 & 10
    ID 34503
    380 yd • 5 min
  • 5
    Bus - AB1AB1
    Wait for bus
    AB1
    Downtown Boulder Via E-470
  • 6
    Ride to bus station
    Ride to bus station
    Downtown Boulder Station (Ar)
    ID 99850
    66 min
  • 7
    Walk to bus station
    Walk to bus station
    Downtown Boulder Station Gate 3
    ID 26101
    60 yd • 1 min
  • 8
    Bus - BOLTBOLT
    Wait for bus
    BOLT
    23rd/Main
  • 9
    Ride to bus station
    Ride to bus station
    Co 119 & Monarch Rd
    ID 24827
    24 min
  • 10
    Walk to Niwot
    Walk to
    Niwot
    0.73 mi • 15 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Castle Rock to Niwot?

    The fastest way takes 213 minutes, using Bus line GROOME TRANSPORTATION, Bus line AB2, Bus line BOLT.

  • What is the alternative route to get from Castle Rock to Niwot?

    The alternative route takes 213 minutes, using Bus line GROOME TRANSPORTATION, Bus line AB1, Bus line BOLT.

  • Is there a direct bus between Castle Rock and Niwot in Denver - Boulder, CO?

    No, you’ll have to take 3 bus lines in total. The total travelling time is 3 hr 33 min.

  • Which bus line goes from Castle Rock to Niwot in Denver - Boulder, CO?

    The GROOME TRANSPORTATION bus line goes from Castle Rock station near Castle Rock to Denver International Airport station. From there you’ll have to take one bus line till Denver International Airport station near Niwot in Denver - Boulder, CO.

  • How long does it take to travel from Castle Rock to Niwot in Denver - Boulder, CO by bus?

    The total travel time between Castle Rock and Niwot in Denver - Boulder, CO by bus is about 3 hr 33 min.

  • Where do I get on the bus near Castle Rock to get to Niwot in Denver - Boulder, CO?

    Get on the GROOME TRANSPORTATION bus from the Castle Rock stop near Castle Rock in Denver - Boulder, CO.

  • Where do I get off the bus when travelling between Castle Rock and Niwot in Denver - Boulder, CO?

    Get off the bus at the Denver International Airport stop, which is closest to Niwot in Denver - Boulder, CO.

Popular Routes