Spring (April to June) is the best time because the weather is mild and suitable for outdoor activities. Summer (July to September) is the peak season, suitable for outdoor activities and viewing natural beauty.

A must-see attraction in Denver?

Must-see attractions in Denver include the Colorado State Capitol, 16th Street Mall, and Red Rocks Park. Red Rock Park is located in the mountains less than 20 kilometers west of downtown Denver, with an altitude of more than 6,000 feet and an area of more than 860 hectares. It is named after the huge red sandstone that is 300 feet high.