North Country Trail volunteers will build new trail to make the Wisconsin-Minnesota connection April 22-26, June 3-7 and July 8-12. Call (608) 935-0986 or email bmenke@northcountrytrail.org to help.

Continental Ski & Bike's 13th annual Bike Swap, April 27-28, 1305 E. First St. Donate your gently used bikes today through April 27 during regular business hours. Proceeds benefit head of the Lakes United Way and Animal Allies Humane Society. Go to continentalski.com.

Arrowhead Fly Fishers fly tying event, 1-5 p.m. April 27, Proctor Community Center, 100 Pionk Drive, Proctor. Some new fly patterns will be taught for lake fishing.

Lake Superior Steelhead Association annual spring banquet April 27 at Clearwater Grille just outside Duluth on Scenic HIghway 61 at McQuade Road. Social hour 5:15 p.m., 6:15 annual meeting, 7:15 dinner. Reservations required. Cost is $30 per person. Contact Kevin Bovee at (218) 525-5960 or outriderduluth@msn.com. Go to steelheaders.org.

Intermediate fly casting classes, 6-8:30 p.m. Thursdays, May 2-23, Hermantown High School. Cost: $50. Call (218) 729-9563 to register.

Owls of Superior National Forest, with Forest Service biologist Chris Beal, 10 a.m. May 4, Sugarloaf Cove Nature Center, Highway 61 at mile 73.3 near Schroeder. Donation; parking $5 per car for non-members. Call (218) 525-0001 or go to sugarloafnorthshore.org.

Courage Kenny Rehabilitation Institute offers these events. Call (218) 726-4834, ext. 1 or email mark.hanna@allina.com for more information.

• Arrowhead Youth Games at UMD, 9 a.m. to 2 p.m. May 9.

• Fishing tournament on Fish Lake, June 1.

Fly casting instruction, 6-8 p.m. Thursdays, May 9-30, Lincoln Park. Cost: $50. Call (218) 336-8760 or go to communityeducation@isd709.org to register.

Bird watching, 8 a.m. to noon May 18-19, Oberg Mountain and George Crosby Manitou State Park. Cost: $10 per person, $25 per family; deadline to register is May 15. Call (218) 525-0001 or go to sugarloafnorthshore.org for details.