It depends on many people are in the car. $20 for 1-2 occupants $10 for 3 occupants $5 for 4+ occupants https://www.solitudemountain.com/discover-solitude/getting-here
Make sure to talk to the parking attendant as you drive in to get a multi passenger voucher
The paid parking fills up quickly on busy days. There is road parking tho
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