Opens Wednesdays and Saturdays, 1 to 5 p.m., until early October. Hike to the ruins of the former mansion or explore the landscaped paths and water features, created over the course of decades by John McLennan, a composer of modern music. Free. Soden Road, Tyring ham, Trustees of Reservations. (413) 298-3239
Step inside this anchor site on the African American Heritage trail and participate in the story of the Ashley family and Elizabeth Freeman, the enslaved woman who took a stand against slavery. New outdoor exhibit in the on Freeman's life and legacy. Fall tours, Saturdays at 1 p.m. through Oct. 8. Cooper Hill Road, Ashley Falls section of Sheffield, near Bartholomew's Cobble. (413) 229-8600. Trustees of Reservations, www.thetrustees.org.
Ashuwillticook Rail Trail
Flat, paved trail from Cheshire to Adams, following the old railway line along Cheshire Lake and Route 8.
River and unique wood and meadow habitat with bald eagles, turtles and abundant wildlife. Hikes, canoe trips and nature programs. Housatonic River guided canoe trips. Open year-round, daily, sunrise to sunset; museum and visitors center open year-round, daily, 9 a.m. to 4:30 p.m. Weatogue Road, Sheffield. Trustees of Reservations, (413) 229-8600, firstname.lastname@example.org.
Becket historic quarry and trails: Quarry Museum and self-guided tour of nature preserve and 100 years of history. Becket Historic Quarry permanent exhibit opens June 21 at Mullen House Education Center. Trails open in daylight hours year round. Quarry off Route 20, 456 Quarry Road, Becket. Mullen House off-site exhibits and office at 12 Brooker Hill Road (corner Route 8), North Becket Village. (413) 623-2100, www.becketlandtrust.org.
Berkshire Botanical Garden
26 display areas including perennial borders, mixed borders of thousands of annuals, a rock garden, rose garden, pond garden, children's garden and native plant gardens. Three greenhouses, an arboretum and a woodland preserve. Open daily 9 a.m. to 5 p.m. through Oct. 31 with tours Wednesday, Friday and Saturday, June through October at 10 a.m. Route 183 and Route 102, Stockbridge. (413) 298-3926, www.berkshire botanical.org.
From 1865 until his death in 1878, William Cullen Bryant summered here at his boyhood home, today a National Historic Landmark. A self-guided map highlights the Rivulet Trail, where old growth, including ancient specimens of hemlock and a magnificent cherry tree, rise near the Rivulet, a trickling stream immortalized by Bryant's 1823 poem of the same name. Free. Grounds open year-round for hiking, picnics and sight-seeing.
Group hikes many Saturdays and Sundays in May and June, across the county. For full schedule, visit www.berk shireknapsackers.org and watch the Berkshires Week weekly calendar.
Bird walks and other nature activities; trails open daily, 7 a.m. to dusk. Wetlands along the banks of the Housatonic River, Holmes Road, Pittsfield. Berkshire Sanc tuaries, www.
A dramatic rock canyon first carved by centuries of glacial melt water and the Westfield River, the gorge is the gateway to the East Branch Trail. Open during the warm season, daily, from sunrise to sundown. River Road, Chesterfield. (413) 532-1631.
A 1967 post-modern guest house designed by Ulrich Franzen for art collector Lawrence Bloedel and bauhaus building. Tours compares architectural philos ophies, second and fourth Saturdays through September. Grounds open daily, free. 554 Sloan Road, South Williams town, www.
thetrustees.org, (413) 458-3135.
Garden tours through the summer in Connecticut, Massachusetts, New York, Vermont. No reservations; rain or shine. Times and places: (888) 842-2442 www.opendaysprogram.org.
Great Barrington Riverwalk
Paved path along the Housatonic River in downtown Great Bar rington; entrances at 195 Main St., River Street, Bridge Street and St. Peter's Church. W.E.B. Du Bois River Gar den. Volunteer days in summer. Open spring, summer and fall in daylight hours. www.gbriverwalk.com. (413) 458-3391.
Hoffmann Bird Club
Birdathon May 11 and 12 and regular birding expeditions across and around the county. For trips in May, June and July, see www.hoff mannbirdclub.org and watch Berkshires Week.
Trails maintained by Williams College in Williamstown. www.williams.edu/CES
/hopkins.htm, (413) 597-4353
Housatonic Heritage Area
Moderate loop trails and beautiful views at the top. Admission is free. Route 7, Great Barrington. Trustees of Res ervations, (413) 298-3239, ext. 3020.
Trails and entrances in Williams-
t own, North Adams, Adams and Lanes borough. For nature talks, music and other events on the summit, see Bascom Lodge.
Wild meadows at the homesite of the woman who wrote "Bog-Trotting for Orchids" a century ago. Entrances on Benedict Road in Pownal, Vt., and Mason Street in Willliams town. Admission is free. Trustees of Reservations.
Twenty-five miles of trails, historic hayfields and pastures, stone walls and cellar holes. Open from sunup to sundown, daily, year round. Visitor Center with picnic area and rest rooms. Tuesday Trail Team, 9 a.m. to 12:30 p.m.: small group working on repairs to Windsor Trail. Second and fourth Tuesdays, July to October. 83 Old Route 9, Windsor. (413) 684-0148.
Pleasant Valley Sanctuary
Trails, boardwalk, canoe trips and nature programs weekly. 472 West Moun tain Road, Lenox. Berkshire Sanctuaries, (413) 637-0320, www.massaudubon.org.
Nonprofit native plant farm, nursery and wildlife sanctuary, Route 41: 342 North Plain Road Housatonic, (413) 274-3433, projectnative.org
Walk through mountain meadows and up hillside trails to watch for bobolinks. Jerusalem Road, Tyring ham. Trustees of Reservations.
Williamstown Rural Lands
Children's programs with nature crafts, walking trails rails and family events at Sheep Hill. Land trust maintains trails around Williams town and near its headquarters at former dairy farm; see website for maps. Williamstown.Sheep Hill, Route 7, Williamstown. www.wrlf.org, (413) 458-2494.