Flatirons (Royal Arch)

Moderate

Boulder

Best time of year

JanFebMarAprMayJunJulAugSepOctNovDec

In season · Year-round, peak Apr–May, Sep–Oct

Year-round. Icy in winter and hot on midsummer afternoons.

Peak In season Out of season This month

Boulder's iconic Flatirons. Royal Arch viewpoint is the highlight.

🚫 No dogs

52°F

⛅ Overcast

💨 1 mph

🌧️ 0%

☀️ UV 1

Fri

⛅

61°

43°

Sat

🌧️

49°

34°

27%

Sun

⛅

53°

32°