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How to get fromCastle Rock to Boulderby tram, bus or car

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There are 3 ways to get from Castle Rock to Boulder by tram, bus, or car

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Tram, bus

    best
    1. Take the tram from Ridgegate Parkway Station to Union Station Light Rail PlazatramE
    2. Take the bus from Union Station Gate B17 to Broadway & Regent DrbusFf1 / ...
    2h
    $45–52

  2. Drive 55.4 mi

    cheapest
    1. Drive from Castle Rock to Bouldercar55.4 mi
    1h 4m
    $11–15

  3. Bus

    1. Take the bus from Sky Ridge Station to Union StationbusSouth
    2. Take the bus from Union Station Gate B17 to Broadway & Euclid AvebusFf1 / ...
    2h 8m
    $46–57

Questions & Answers

What companies run services between Castle Rock, CO, USA and Boulder, CO, USA?

You can take a vehicle from Castle Rock to Broadway & Euclid Ave via Sky Ridge Station, Union Station, and Union Station Gate B17 in around 2h 8m.

Transport is disrupted due to the Russia-Ukraine war. Read more

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