Endless adventure awaits you this summer in Boulder! With our breathtaking natural beauty, exciting outdoor activities, and lively arts and culture scene, there's so much to discover this season. Let our guide help you make the most of your summer in Boulder.
City of Boulder
Community of endless adventure

Help Shape the Future of the Boulder Valley
Learn ways to get involved with the Boulder Valley Comprehensive Plan update.
City Begins Significant Trail Improvements on Mount Sanitas
Multi-year Mount Sanitas trail work begins with repairs and improvements along the main Mount Sanitas Trail, which connects community members from Mapleton Drive to the summit.
City of Boulder Reaches Milestone on its Main Sewer Improvements Project
Project phase completion is a significant step towards enhancing the city’s wastewater resilience.
Volunteer for a Board or Commission to Help Shape Boulder’s Future
We're looking for volunteers to serve on boards and commissions! This is your chance to make a difference in your community by working with City Council and staff to address key issues. Mid-year recruitment is open through July 18.