BANGOR — Bangor Alleycat PART DEUX will start at 3 p.m. Sunday, June 19, at the Hannibal Hamlin Statue, Kunduskaeg Promenade, between Central and State streets, and will end at The Charles Inn, where awards will be presented. Registration is $5; proceeds benefit Maine adaptive cycling for the disabled. There is no set route; choose your own path to hit 11 checkpoints as quickly as possible. The distance is 10-15 miles. Any bike style is appropriate.
BLUE HILL — Marine ecologist Dr. Jeremy Jackson will give a talk titled “Brave New Ocean: The Future of the Ocean Past” as part of the MERI Ocean Environmental Lecture Series, at 7 p.m. Tuesday, June 21. There will be a 6 p.m. reception for Jackson and marine biologist Dr. Nancy Knowlton, who will be signing her new National Geographic book “Citizens of the Sea: Wondrous Creatures From The Census of Marine Life.” Marine Environmental Research Institute is located at 55 Main St. For more information call 374-2135, email firstname.lastname@example.org or visit www.meriresearch.org
BOOTHBAY HARBOR — Free tours of Maine Maritime Academy’s historic schooner Bowdoin will be offered 10 a.m.-12:30 p.m. and 4-7 p.m. Wednesday, June 22, at Boothbay Harbor Shipyard.
HUDSON — Spend Father’s Day on a guided paddle of Pushaw and Dead streams at Hirundo Wildlife Refuge 12:30-2 p.m. Sunday, June 19. The canoe tour offers basic canoe instruction. Participants will explore the plants and wildlife found in Pushaw Stream. Guides, canoes, paddles and life jackets will be provided. Meet at the parking lot at Gate 3 (35 Hudson Road). The Refuge is located on Hudson Road (Route 43) Alton-Old Town. For more information call 944-9259, or reserve a canoe by calling Gudrun Keszocze at 944-9259, Fred Bryant at 827-2230, or bring your own. For more information visit www.hirundomaine.org
MACHIAS — The Pleasant River Fish and Game Conservation Association is holding a gun show 9 a.m.-5 p.m. Saturday, June 18, and 9 a.m.-2 p.m. Sunday, June 19, at the Lee-Pellon Center, Main Street, across from Helen’s Restaurant. Admission is $6, $5 for card-carrying NRA members; join the NRA at the show and get in free.
NEWRY — The bike park at Sunday River will open its 20 miles of trails for the summer on Friday, June 24, with the debut of Rock Star, a newly built advanced-intermediate single track. Open 10 a.m.-4 p.m. Friday-Sunday, through the resort’s Fall Festival Weekend, Oct. 8-9, and holidays. Guests can choose to access the bike park by riding to the Chondola to the park’s many trailheads on North Peak or by the power of their own pedals. For more information visit www.sundayriver.com.
ROCKLAND — Enjoy the 4½ hour Breakwater Lighthouse Challenge cruise aboard P/V Elizabeth Ann, which will depart Port Clyde at 4:30 p.m. Friday, June 24. See water views of Franklin Island, Pemaquid Point, Ram Island, Cuckolds, Burnt Island and Marshall Point lighthouses. Light refreshments are available and tickets are $35 per person. Reservations are suggested. Proceeds will benefit Friends of Rockland Breakwater Lighthouse for maintenance and restoration work. For more information call Eric Davis at 542-7574 or visit www.rocklandlighthouse.com
SOUTH ADDISON — Downeast Coastal Conservancy and the Maine Island Trail Association will clean up Tibbett and Marsh Islands beginning at 10 a.m. Saturday, June 25. Volunteers are welcome. Arrange your own water transport to Tibbett Island (kayak, canoe or small boat) from the South Addison Town Beach located at the end of Mooseneck Road, or contact the DCC program coordinator, Heather Andrews, to reserve a spot on one of the larger boats. It’s a short paddle across the narrows. Bring a life vest, lunch, water, sun protection and work gloves. Meet on Tibbett Island beach. For more information call the DCC office at 255-4500 or email email@example.com.