From everything I read it's open year round from 6am to 10. But I'd very careful on that road up at this time if the year
The gate does close to prevent damage to the road. It is closed now to my knowledge. However, you can hike in anytime. It's open year around to foot traffic, but during cold inclimate months it is closed.
Other than adverse weather conditions, I see no reason for it to be closed???
It's open year round.
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