State park’s ski touring center open

The extensive network of cross-country ski trails at Great Brook Farm State Park is now open for the season, with 10 miles of professionally groomed new snow. Outdoor enthusiasts of all ages are invited to a trailside campfire on the Lantern Loop Trail on Tuesday  from 5 to 6:30 p.m. Games, stories, and ski lore will be offered, along with tips on enjoying the park and its trails. Participation requires a ski pass ($10 for adults; $7 for children) as well as skis to access the trail. Rental equipment is available at Great Brook Ski Touring Center at 1018 Lowell St. For more information, go to www.greatbrookski.com or call 617-828-1728.