TUESDAY

Pemaquid Paddlers / 9 a.m. in Thomaston

This week’s paddle is a new adventure for the group: the St. George River. The state put-in site from Thomaston is just a few miles. At the traffic light in town, turn right on Knox Road if you are coming from the south, or left if coming from the north. Go a half-mile to the Lymon-Morse shipyard and veer to the right on the paved road. Continue about 25 yards, and the state put-in is on your left. Participants must provide their own canoe or kayak and wear a life jacket. Call 677-6380.

THURSDAY

Penobscot Bay Rendezvous / all day in Bangor

The annual Penobscot Bay Rendezvous will be held Thursday through Sunday in and around Camden. Forty-five sail and powerboats have signed up already, and as many as 70 boats are expected. Come enjoy the fireworks, band and airshow. On display will be Kiwi Spirit, the new Farr 63 being built for Stanley Paris, whose goal with is to break Dodge Morgan’s round-the-world, solo and unassisted record. Paris also will give a presentation Thursday night. Go to www.penobscotbayrendezvous.com or call 266-9381 to learn more.

THURSDAY

Amos Mountain / 9 a.m. to noon in Lovell

Join the Greater Lovell Land Trust for a guided hike along the Gallie Trail on Amos Mountain, from the trailhead on Route 5 in Lovell. Guides will focus on the active forest management in the area. The hike is steep in places with substantial elevation gain. For more information, go to www.gllt.org or call 925-1056.

SATURDAY

Appalachian Trail Celebration / all day in Carrabassett Valley

The 75th anniversary of the 2,100-mile Appalachian Trail’s completion will be celebrated this weekend in Carrabassett Valley. The final piece of the trail was completed on Spaulding and Sugarloaf mountains, where a plaque marking the location sits. Groups will spend the day hiking to the plaque and will be invited to sign a 75th anniversary register. A shuttle bus and Sugarloaf chair lift will take hikers on to the mountain. A barbecue will follow. Advance registration is required for the shuttle bus and chair-lift ride. Event information is available at bit.ly/QHjd7N. To register, go to bit.ly/RxmOo3.