Boulder
Colorado
Nestled at the base of the Rocky Mountain foothills, Boulder is famous for its iconic **Flatirons** rock formations, vibrant outdoor recreation, free-spirited culture, and as the home of the **University of Colorado**. It's a city known for its focus on wellness, environmental consciousness, and high-tech industries.
Practical Travel Guide for Boulder
Make your journey smoother with essential practical information to read before traveling.
Visa Information
A visa may be required depending on the traveler's nationality. Citizens of many countries can enter under the Visa Waiver Program for up to 90 days with an Electronic System for Travel Authorization (ESTA).
Adapter Type
English (de facto)
Getting Around
Boulder's city center is highly walkable and bike-friendly, with over 300 miles of bike and multi-use paths. The **Regional Transportation District (RTD)** provides extensive bus services, including local routes (like HOP, SKIP, JUMP) and regional connections, as well as service to/from Denver International Airport (DEN).
Local Flavors
Boulder is famous for its **farm-to-table** movement, high-end culinary scene, and a plethora of craft breweries. The **Pearl Street Mall** is the main dining area, offering options from casual to fine dining.