here's the sb policy. note that you can skin up the slidebrook anytime.
Hiking or skinning on designated trails at both Lincoln Peak and Mount Ellen is not permitted before the mountains open for the winter season, nor is hiking or skinning permitted during the operating hours of the resort.
Hiking or skinning is permitted once the mountains are open, before and after operating hours at both mountains, with the following provisions:
All uphill travelers must obtain an Uphill Travel Pass online or in person at Guest Services at Lincoln Peak.
At Lincoln Peak
between the hours of 5 PM to 10 PM on the following trail: Easy Rider to Lower Pushover to Pushover to Birch Run.
between the hours of 4 AM to 7 AM on the following trails: Racer’s Edge to Lower Snowball to Snowball to the top of the Valley House Chair.
Due to plowing, parking for hiking and skinning is provided at Lincoln Peak in the heli lot, to the right of The Schoolhouse.
At Mount Ellen
between the hours of 5 PM to 10 PM and 4 AM to 7 AM on the following trails: Easy Does It to Straight Shot to Cruiser to Lower Rim Run to Rim Run.
Due to plowing, parking for hiking and skinning is provided at Mt. Ellen in the lot next to the Sunny Double lift.
There will be times when skinning and hiking is closed due to weather conditions. Please check the Sugarbush snow report before proceeding.
Hiking and Skinning during operating hours may be authorized under special circumstances (i.e. lift mechanical failure or weather hold, or special events) Hiking or skinning during operating hours on designated trails requires a day ticket or season pass and is only permitted when specifically authorized by the Resort (these routes are only open when the weather and conditions permit). Please call Guest Services at 802-583-6590 for current designated route.