Volunteer opportunities, provided by Volunteer! United (formerly Volunteer! Baton Rouge), are outlined in this column every Sunday. To learn more about these opportunities, contact the listed agency directly.

TREES AND TRAILS, LSU AgCenter’s Burden Center — Penny Miller, (225) 937-3632 or TntDocents@gmail.com: Trees and Trails is looking for volunteers to help guide fourth- through seventh-grade students through the trails at Burden for environmental and nature lessons.

The 12 spring sessions will be held from late March through mid-May, primarily on Wednesdays, Thursdays or Fridays.

Volunteers can select the days that work best with their schedules. For more information, come to an orientation and overview from 9 a.m. to noon March 13 at the Burden Conference Center.

More in-depth training will occur after lunch for those interested in joining. For more information on Trees and Trails, visit http://treesandtrails.com/ or contact Miller.

ROCKIN’ AT THE SWAMP, BREC’s Bluebonnet Swamp Nature Center — Tonya Dixon, (225) 272-9200, ext. 446, or volunteer@brec.org: Love nature and the outdoors? Volunteer for Rockin’ at the Swamp.

The event provides visitors the opportunity to explore the vast world of geology, and includes activities and displays about rocks, gemstones, minerals and fossils. It will be held from 8 a.m. to 4 p.m. March 9.

Volunteers may serve in the Stone Craft Corner, Treasure Trail, Gold Mine or at a check-in table. To learn more, contact Dixon.

NATIONAL HISTORY DAY, West Baton Rouge Museum — Jeannie Luckett, (225) 336-2422, ext. 14: Help is needed in facilitating the event and judging students’ work at the regional competition for National History Day on March 2.

Middle and high school students from a 12-parish region are invited to participate as individuals or in groups to choose a topic and do research that addresses the theme, “Turning Points in History: People, Ideas, Events.”

If interested in volunteering, visit http://louisianahistoryday.org/ or call Luckett.

Z-FEST, Zachary Arts & Music Festival — Megan Andrews, megan.andrews@hotmail.com: Volunteer and be a part of this annual event happening in the Zachary community on March 21-24.

Helpers are needed to serve in the drink, ticket and carnival ride booths, as well as serving as runners, parking attendants, parking pass/collections attendants and more.

Shifts are: 5 p.m. to 9 p.m. Thursday, 5 p.m. to 11:30 p.m. Friday, 10 a.m. to 11:30 p.m. Saturday and noon to 6 p.m. Sunday. Volunteers must be 15 years of age or older. For more information or to sign up, contact Andrews or visit http://www.zfest.us/.

LOOKING FOR A REWARDING VOLUNTEER EXPERIENCE? GaitWay Therapeutic Horsemanship — Courtney Finnan, (225) 766-1614 or courtney@gaitway.org: GaitWay Therapeutic Horsemanship is an organization dedicated to improving the lives of people of all ages with cognitive, physical or emotional disabilities through the benefits of therapeutic riding and hippotherapy.

The faith-built, volunteer-based center has volunteer opportunities for those with and without horse experience.

A comprehensive training program will be provided for all those interested. For more information on becoming a volunteer, contact Finnan.