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Mount Blue Sky's Scenic Byway is closed until Spring 2026 due to a large-scale construction project. This essential work is necessary to repair the roadway's pavement, which is deteriorating due to the fragile alpine environment and water damage. The project includes rebuilding sections, constructing a rock embankment, and improving drainage to ensure public safety and protect the delicate ecosystem.

No, you cannot currently drive to the summit of Mount Blue Sky in 2025. The Mount Blue Sky Scenic Byway is closed for extensive repairs and infrastructure improvements and is scheduled to reopen for Memorial Day 2026. The road has been closed to repave a section near Summit Lake which is in poor condition due to freeze-thaw cycles.

When Mount Blue Sky reopens, a timed entry reservation will be required during the operating season to drive the byway to the summit. Be prepared for a narrow, winding path with sheer drop-offs and switchbacks as you ascend North America's highest paved road. The weather at the summit can change rapidly, so expect significant temperature drops and potential afternoon thunderstorms.

The drive from downtown Denver to the 14,260-foot summit of Mount Blue Sky is approximately 60 miles one way and passes through five distinct climate zones. Due to the numerous twists, turns, and switchbacks along the mountain road, plan for the drive to take at least two to three hours each way.

The trail to the summit of Mount Blue Sky is considered tough and involves significant scrambling over rocks. It is highly recommended to start your hike early in the day to avoid needing assistance for your return trip to Summit Lake.