Sussex The Friends of High Point State Park are sponsoring a “Summer Solstice Yoga on the Mountain” class tomorrow, June 24 beginning at 6 p.m. in the High Point State Park Interpretive Center. All levels of experience are welcome. Participants should bring their yoga mats. The class will include a summer solstice sunset hike. Registration is suggested, but not required. Call 973-702-0488 to learn more.