• Three Rivers Birding Club is holding an outing at Sewickley Heights Borough Park at 9 a.m. Saturday. Join Bob VanNewkirk for the Great Backyard Bird Count at the park before enjoying a pot luck luncheon. Bring something to share with the group. Email VanNewkirk at van126@comcast.net or call 412-366-1694.
• Venture Outdoors is offering a Presidents Day Walk from 10 a.m.-noon on Feb. 18 at North Park. Join in for a morning walk at the park that will cover 2-3 miles. Participants ages 50 and up can attend for free. Email info@ventureoutdoors.org or call 412-255-0564.
• Forbes State Forest is holding Tree Pruning 101 from 10 a.m.-noon Feb. 22. Join Forbes' staff and learn the fundamentals of tree pruning before enjoying some hands-on practice. Dress for the weather. No prior experience is necessary. Registration is required. Call Celine Colbert at 724-238-1200.
• Ohiopyle State Park is offering Guided Cross Country Skiing from 10 a.m.-12:30 p.m. Feb. 23. Participants will meet at the Visitor's Center to gear up before picking a trail to traverse based on skill and snow levels. Pre-registration is required. To register, contact Barbara Wallace at 724-329-0986 or email bawallace@pa.gov.
• Raccoon State Park is holding a Maple Sugaring Workshop from 10 a.m.-5 p.m. March 9. Participants will have a hands-on experience in learning how to collect maple sap and develop it into candies in sugar through a boiling process. The day will conclude with a pancake dinner with the fresh maple syrup that is made during the workshop. Pre-registration required by March 1. Cost for participating will be $20. Email Patrick Adams at paadams@pa.gov.
• Jennings Environmental Education Center is organizing A Sweet Stroll Through Maple History from 2-4 p.m. March 3. This presentation will teach participants how a tree functions, and how the tree's sap becomes syrup for the breakfast table. The program will being with an indoor introduction, followed by a guided walk outdoors that demonstrates the process of maple sugaring. This program is free to the public. Registration is not required, but participants are advised to arrive on time due to the popularity of this annual program. Email jenningssp@pa.gov.
• Venture Outdoors is offering an Irish Perk-Up Hike from 8:30-11 a.m. March 17 at Emerald View Park. Participants are welcome to come and begin the celebration of the Irish with a moderate hike through Emerald View Park before heading to one of the area's coffeehouses. A cup of coffee is included in the $14 fee for non-members, and the $10 fee for members. Email info@ventureoutdoors.org or call 412-255-0564.