Great Outdoors Week, Friday through May 25, highlights the bounty of outdoor recreation activities in Southwestern Pennsylvania. There are opportunities for individuals from all skill levels and backgrounds to participate.

Here is a schedule of events. Details at www.greatoutdoorsweek.org:

Friday: National Bike to Work Day, 8-11 a.m. REI, SouthSide Works, free Biker Appreciation Breakfast and giveaways.

Friday-Sunday: Pennsylvania Society for Ornithology convention. Four Points by Sheraton Pittsburgh North, Marshall. www.pabirds.org/AnnualMeeting/AnnualMeeting.htm.

Friday: Friday Night City Light's Skate, 6:30-8:30 p.m. Eliza Furnace Trail, Greenfield. www.skatepittsburgh.com.

Saturday: Venture Outdoors Festival, 11 a.m.-6 p.m. Washington's Landing and Millvale Riverfront Park. Free. Canoeing, kayaking, biking, dragon boats, rock climbing, fishing and more. www.ventureoutdoors.org.

Saturday: ISA Penn-Del Western Tree Climbing Championship, 8 a.m.-4 p.m. Flagstaff Hill, Schenley Park. www.penndelisa.org/tcc.html, 1-814-333-7460.

Sunday: Pedal Pittsburgh, 6:30 a.m.- 3:30 p.m. A ride, not a race, starting and ending at Station Square. www. pedalpittsburgh.org.

Sunday: Wildflower Walk, 1 p.m. Raccoon Creek Wildflower Reserve, Beaver County. 724-872-5232.

Sunday: Strawberry Rhubarb Pie Hike, 1-4 p.m. Boyce Park. $20; Venture Outdoors members $12. www.ventureoutdoors.org.

Sunday: Yoga Outdoors, 6-8 p.m. Schenley Park Cafe. $20, Venture Outdoors members $10, www.ventureoutdoors.org.

Sunday: Sunday Stroll Skates, 9-11:30 a.m. Eliza Furnace Trail, Greenfield, www.skatepittsburgh.com.

Monday: Medicinal Plants Hike, 6-8 p.m. Frick Park. $10, Venture Outdoors members $5, www.ventureoutdoors.org.

Tuesday: Learn to Row Indoor Session, 7-8 p.m. Three Rivers Rowing Association, Millvale. www.threeriversrowing.org.

Tuesday: Learn to Row, 6 p.m. Steel City Rowing Club Boathouse, 100 Arch St., Verona. www.steelcityrowing.org, 412-828-5565.

Tuesday: Tyke Hikes, 10 a.m.-noon Highland Park. $5. Newborn to 8 years old. Snacks provided. www.ventureoutdoors.org.

Tuesday: Canoeing Our Three Rivers, 7 p.m. REI, SouthSide Works. Planning your next boating/camping adventure. Free. www.rei.com.

Tuesday: Full Moon Paddles, 7:45-10 p.m. Kayak Pittsburgh: Downtown. $50; Venture Outdoors members $30. www.ventureoutdoors.org.

Wednesday: Wednesday Wake Up Paddles, 6:15-7:30 a.m. Kayak Pittsburgh: Downtown. $20; Venture Outdoors members $12. www.ventureoutdoors.org.

Wednesday: Bird Walk, 7:30 a.m. Frick Environmental Center parking lot, Squirrel Hill. Free. www.pittsburghparks.org.

Wednesday: TriAnglers, 11:30 a.m.-1:30 p.m. North Shore, Riverfront Park. $5. Pennsylvania Fishing License required; regulations apply. www.ventureoutdoors.org.

Wednesday: Weeknight Wine and Cheese Hike, 6:30-8:30 p.m. Riverview Park, South Side. $30; Venture Outdoors members $15. www.ventureoutdoors.org.

Wednesday: Great Allegheny Passage with Adventure Cycling, 7 p.m. REI, SouthSide Works. www.rei.com.

May 22: Perk-up Hikes, 6:30-7:45 a.m. Strip District. $15; Venture Outdoors members $8. Coffeehouse tour. www. ventureoutdoors.org.

May 22: Hike and Eat Locally, 6:30-8:30 p.m. Schenley Park. $20, Venture Outdoors members $12. www.ventureoutdoors.org.

May 22: Speed Skate Clinic, 7-8 p.m. by appointment. Highland Park Velodrome (Washington Boulevard). www.skatepittsburgh.com.

May 23: Tireless Friday, 5-8 p.m. Strip District. Volunteers needed, removal of invasive plant species and planting native trees and shrubs, removal of trash and recyclables. www.rei.com/pittsburgh, 412-488-0212, ext. 3.

May 23: Friday Night City Light's Skate, 6:30-8:30 p.m. Eliza Furnace Trail, Greenfield, www.skatepittsburgh.com.

May 23: Fireworks Paddle, 8-10 p.m. Kayak Pittsburgh: Downtown. $50; Venture Outdoors members $30. www.ventureoutdoors.org.

May 23: Doggie Day Treks, 6:30-9 p.m. Grandview Park, Mount Washington. $18; Venture Outdoors members $8. 5-6 miles, two dogs per person, leashes required (off-leash time included), www.ventureoutdoors.org.

May 24: Advanced Paddle Series, 8-11:30 a.m. Hot Metal Bridge, South Side. $35, Venture Outdoors members $20. www.ventureoutdoors.org.

May 24: Great Allegheny Passage Bike Ride, 10 a.m.-4 p.m. Ohiopyle to Confluence. $30, Venture Outdoors members $15, www.ventureoutdoors.org.

May 24: Curry Hike, 10 a.m.-1 p.m. Panhandle Trail. $25, Venture Outdoors members $15. www.ventureoutdoors.org.

May 24: Day Trek Lite. 1-4 p.m. Harrison Hills Park, Harrison. $10; Venture Outdoors members $3. www.ventureoutdoors.org.

May 25: Rachel's Sustainable Feast, noon-5 p.m. Rachel Carson Homestead, Springdale. $5, children under 5 free. www.rachelcarsonhomestead.org.

May 25: Northmoreland Park Fishing Day, 8 a.m.-1 p.m. Northmoreland Park, Apollo. Free fishing event, www.co. westmoreland.pa.us/parks, 724-830-3962.

May 25: Natural Reflections, 10 a.m.-1 p.m. Todd Sanctuary, Buffalo, Butler County. $40; Venture Outdoors members $25. www.ventureoutdoors.org.

May 25: Intro to In-line Skating, 11:30 a.m.-1 p.m. Eliza Furnace Trail. $10; Venture Outdoors members $5. www.ventureoutdoors.org.

May 25: Sunday Stroll Skates. 9--11:30 a.m. Eliza Furnace Trail, Greenfield.

May 25: Rock Climbing. 9 a.m.- 4 p.m. Laurel Highlands. $65; Venture Outdoors members $45. All gear included. www.ventureoutdoors.org.

May 25: Hydrobike Excursions. 9-11 a.m. Raccoon Creek State Park. $20; Venture Outdoors members $10. www.ventureoutdoors.org.