Starting at Tucson’s northeastern edge, Mt. Lemmon climbs from just under 3,000 feet to over 9,000, winding through desert, grasslands, and pine forests with steady 4–6% grades. At mile 25.8, a right onto E. Ski Run Road signals the start of steeper pitches, averaging 7.5% to the top. The final 1.7 miles grind at 8% toward the observatories, where a closed gate often blocks the last 200 yards.

deancochran

June 7, 2025

Road cycling

On of the United States top rated cycling climbs. Careful during the months of June-August. In Tucson Arizona temperatures and UV index ratings can reach far beyond safe levels

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Best routes to Mt Lemmon Climb

Details

Informations

Distance 46.0 km

Uphill 2,700 m

Downhill 770 m

Weather

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Location: Willow Canyon, Pima County, Arizona, United States

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