SUNDAY

Music in nature, all day in Jefferson

Hidden Valley Nature Center is hosting its fifth annual Live Edge Music Festival with four acts and a female belly dancing troupe performing in the heart of the nature center. Local food and craft beer also will be offered. The nature center is home to 1,000 acres of trails as well as a large pond. Advance tickets cost $20. To learn more, call 389-5150.

MONDAY

Acadia Celebration, 1:45 p.m. in Bar Harbor

St. Saviour’s Episcopal Church and Friends of Acadia will reprise the first celebration of the conservation of Acadia National Park that took place on Aug. 22, 1916. The celebration will be held at St. Saviour’s Episcopal Church. Direct descendants of the Mount Desert Island residents who helped conserve Acadia will be present, as well as Acadia Superintendent Kevin Schneider. Music from the 1916 era will be played and a slide show will offer images of the 1916 event, and those who attended. No cost. All welcome. For more information, call 669-8256.

UPCOMING

Myths About Bats, 7 p.m. Sept. 20 in Wells

There are more than 1,300 known species of bats, comprising nearly a quarter of all mammal species on Earth. These unique creatures are at the center of some of today’s most pressing ecological issues. David Yates, mammal program director at the Biodiversity Research Institute in Portland, will share some of the research he’s done on bats at the Wells Reserve at Laudholm. The event is sponsored by York County Audubon. All welcome. No cost.

UPCOMING

Ragged Mountain Scuttle, 10 a.m. Sept. 18 in Camden

The third annual Ragged Mountain Scuttle presented by Pen Bay Medical Center and Waldo County General Hospital will take place at the Camden Snow Bowl on Barnestown Road. The 3.1-mile obstacle challenge features 20 obstacles across a cross-country course. It is a fundraiser for the Camden Snow Bowl and for Go! Malawi, which supports education, health and the well-being of orphans in the African country of Malawi. The organization holds a host of 5-kilometer road races in the Midcoast throughout the year. Individuals or teams can compete. Early bird registration is $45 through Aug. 31, then the cost is $55 or $65 the day of the event. Students up to age 18 are $30. To learn more, write to castledisi@roadrunner.com or raggedmountainscuttle@gmail.com.

 Send event listings to dfleming@pressherald.com.