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How to get from Castle Rock to Keystone by bus?

From Castle Rock to Keystone by bus

To get from Castle Rock to Keystone 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 PEAK 1 EXPRESS bus and finally take the SILVERTHORNE - DILLON - KEYSTONE bus from River Run station to Sunrise station. The total trip duration for this route is approximately 3 hr 41 min. The bus schedule from Castle Rock may change. We recommend you check the updated bus schedule to Keystone on the Moovit app.

221min
Walk to bus station
Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
Bus - PEAK 1 EXPRESSPEAK 1 EXPRESS
Bus - SILVERTHORNE - DILLON - KEYSTONESILVERTHORNE - DILLON - KEYSTONE
Walk to Keystone
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 International Airport
    200 yd • 3 min
  • 5
    Bus - PEAK 1 EXPRESSPEAK 1 EXPRESS
    Wait for bus
    PEAK 1 EXPRESS
    Keystone/Breckenridge
  • 6
    Ride to bus station
    Ride to bus station
    River Run
    115 min
  • 7
    Walk to bus station
    Walk to bus station
    River Run
    ID 81
    50 yd • 1 min
  • 8
    Bus - SILVERTHORNE - DILLON - KEYSTONESILVERTHORNE - DILLON - KEYSTONE
    Wait for bus
    SILVERTHORNE - DILLON - KEYSTONE
    Silverthorne
  • 9
    Ride to bus station
    Ride to bus station
    Sunrise
    ID 84
    4 min
  • 10
    Walk to Keystone
    Walk to
    Keystone
    400 yd • 5 min
*Duration based on 8am traffic
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Public transit directions from Castle Rock to Keystone

The distance between Castle Rock, Denver - Boulder, CO and Keystone, Denver - Boulder, CO is approximately 144.19 mi, which can typically be travelled in 221 min. Moovit will show you the directions from Castle Rock to Keystone 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 Keystone

To check the bus schedule from Castle Rock to Keystone using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Castle Rock) and destination (Keystone), 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

Questions & Answers

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

    The fastest way takes 221 minutes, using Bus line GROOME TRANSPORTATION, Bus line PEAK 1 EXPRESS, Bus line SILVERTHORNE - DILLON - KEYSTONE.

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

    No, you’ll have to take 3 bus lines in total. The total travelling time is 3 hr 41 min.

  • Which bus line goes from Castle Rock to Keystone 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 Keystone in Denver - Boulder, CO.

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

    The total travel time between Castle Rock and Keystone in Denver - Boulder, CO by bus is about 3 hr 41 min.

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

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

Popular Routes