Jennings Environmental Education Center will host a Winter Mountain Adventure from Jan. 23 to 25. Call 724-794-6011 to confirm programs and for details on the adventure to Laurel Ridge, Ohiopyle State Park and Seven Springs Resort for assorted activities. Jennings is regularly open from 8 a.m. to 4 p.m. weekdays and as scheduled on weekends. The trails are open daily from sunrise to sunset.