North Country Trail volunteers will build new trail to make the Wisconsin-Minnesota connection Monday through Friday, July 8-12. Call (608) 935-0986 or email bmenke@northcountrytrail.org to help.

River Rovers Nature Playgroup, for ages 3-7, meets 10 a.m. to noon every Thursday through Aug. 29, Lake Superior Estuarium, located at 3 Marina Drive on Barker’s Island in Superior. Nature activities, crafts, games, snacks and stories are led by professional education staff and are provided free of charge. Parents or caretakers should attend with their children. No pre-registration is necessary and children can join for one week or the entire summer. Call Deanna Erickson, Lake Superior National Estuarine Research Reserve education coordinator, at (715) 399-4086.

Annual Twin Ports Paddling Festival, 1-5 p.m. July 20, Park Point Recreation Area Boat Launch. Family-friendly event lets you try out paddling or hop in a kayak. Enjoy mini- tours in a

Voyageur Canoe on the half-hour, or test your paddling skill with a timed trials race. Also features vendors, a food truck and lawn games. No pre-registration or experience necessary and all equipment will be provided. The cost is $5 for on-water activities.Sponsored by Northland Paddlers Alliance. Go to northlandpaddlers.org.

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

  • Try adaptive rowing clinics begin July 25 at Duluth Rowing Club.

  • Northland officer 40th anniversary community celebration at Park Point, 3 p.m. July 26.

  • Water ski clinics, 5-8 p.m. July 31 and Aug. 14.

  • South Shore & North Shore sea kayak adventures, 7:30 a.m. to 6 p.m. Aug. 4 and Aug. 7.

  • Split Rock Lighthouse/North Shore kayak day trip on Lake Superior, Aug. 4.

  • Sea Caves/South Shore kayak day trip on Lake Superior, Aug. 7.

Show Down at High Banks, July 27, Fish Lake Reservoir. Cost: $50 per two person team. Go to facebook.com/twin.walleye/ or call (218) 391-6874.

Summer Slam, Aug. 17, Island Lake Reservoir, Duluth. Cost: $50 per two person team. Go to facebook.com/twin.walleye/ or call (218) 391-6874.