∎ e_STnS Tamarack Hollow Volunteer Trail Work Days — Trail blazing at Tamarack Hollow in Windsor takes place Saturday at 8 a.m. For more information call 684-0148 or email firstname.lastname@example.org.
∎ e_STnS Holyoke Range State Park — Free programs originating from the Notch Visitors Center, Route 116, South Amherst: Saturday at 10:30 a.m., Beginning Birding; 1 p.m., Let’s Explore Nature: Impressions of Nature. Monday, 10:30 a.m., Advanced Hike for Seniors; 11:30 a.m., Nature Story Time. Tuesday, 10 a.m., Nature Study for Homeschoolers; 1 p.m., Senior Hike. For more information call 253-2883.
∎ Cycling for Seniors — All Out Adventures and the Mass. Department of Conservation and Recreation offer programs on the Norwottuck Rail Trail in Hadley for ages 60 and up on Saturdays, Mondays and Wednesdays. Fee: $5. For more information call 584-2052 or info@alloutadventures.
∎ Granby Walkers Group — Thirty-minute walks departing from the Granby Library parking lot on Tuesdays and Thursdays at 9 a.m. For more information contact Kate Mercier at email@example.com.
∎ Northampton Cross-Country Races — 5K races starting and ending at Northampton Community Gardens, Burts Pit Road, Northampton take place Tuesdays at 6:30 p.m., with registration starting 5:45 p.m. Fee: $5 adults; under 18 free. For information contact Don Grant at 584-7725.
∎ Ride Noho 10,000 Foot Century Weekend — Ride Noho sponsors 100-mile bike rides on Sept. 7 and 8, with an A-paced group and a B-paced group. For information go to ridenoho.com or call 586-6013.
∎ e_STnS Saturday Morning Bird Walk — Event takes place Sept. 7 from 8 to 9:30 a.m., at Arcadia Wildlife Sanctuary, Easthampton. Fee: $5. Preregistration required; call 584-3009 or email firstname.lastname@example.org.
∎ e_STnS Monarch Tagging — Tagging of migrating monarch butterflies takes place Sept. 7 from 2 to 3:30 p.m., at the Northfield Mountain Recreation Center, Route 63, Northfield. Free. For more information call 800-859-2960.
∎ e_STnS Connecticut Valley Century Benefit Bike Ride — Bike ride to benefit the Rotary Club of Amherst’s Good Works Fund takes place Sept. 8 at the Hatfield Lions Pavilion, Billings Way (behind Hatfield Elementary School). There will be 100-, 75-, 50-, and 25-mile routes. Fee is $30 before Sept. 4 or $40 day of ride. Rain or shine. For information go to covacride.org or call 665-7505.
∎ e_STnS HCC Foundation Golf Classic — The 26th annual golf tournament to benefit Holyoke Community College takes place Sept. 9, 8 a.m. and 12:30 p.m., at the Springfield Country Club, 1375 Elm St., West Springfield. Fee: $150-$175 includes breakfast, lunch. For information go to www.hcc.edu/golf
∎ e_STnS Monarch Butterfly Tagging — Events are Sept. 11 at 4 p.m.; and Sept. 15 at 2 p.m., at the Hitchcock Center for the Environment, 525 South Pleasant St., Amherst. Free. For information call 256-6006.
∎ e_STnS Fall Warblers — Hitchcock Center sponsors evening class and field walk with Scott Surner on Sept. 18 from 6:30 to 8 p.m. and Sept. 21 from 7 a.m. to noon. Fee: $35. Preregistration required; call 256-6006.
∎ e_STnS Wild Edibles: Weed ‘em and Reap — Edible plant foraging with Blanche Derby will be Sept. 21 from 1 to 3 p.m., at the Northfield Mountain Recreation Center, Route 63, Northfield. Free. Preregistration required; call 800-859-2960.
∎ Autumnal Equinox Bird Walk at Quabbin — Hitchcock Center sponsors walk with naturalist John Green on Sept. 22 from 8:30 to 11:30 a.m., Quabbin Visitors Center, off Route 9, Belchertown. Fee: $20. Preregistration required; call 256-6006.