Take your little witches and goblins on a Halloween hike. Clamber around the pumpkins at a harvest fair and scare yourselves silly at a haunted house. Silicon Valley is filled with trick-or-treat adventures this harvest season. 

Pumpkin Patches

Arata Pumpkin Farm – Come to this six-acre cornfield and enjoy the pumpkin patch, pony rides, haunted barn tours, petting zoo, train and hay rides and the infamously tricky hay maze. Mon.-Fri., 9am-6pm. Sat., 9am-9pm. Sun., 9am-8pm. 185 Verde Road, Half Moon Bay. 650-726-7548. aratapumpkinfarm.com.

Crystal Bay Farm – This organic pumpkin and vegetable farm offers spooky movies on Saturday nights as well as tractor rides, cooking demonstrations, live music and sleepovers in the pumpkin patch. Opens Oct. 1. Daily, 10am-sunset. 40 Zils Road, Watsonville. 831-724-4137. crystalbayfarm.com.

Lemos Farm – Bring your kids to the farm where you can stroll through the pumpkin patches, ride the Ghost Train, take a Hay Ride and visit the haunted house and petting zoo. Daily, 9am-5pm. $3-5 for rides, $1 for petting zoo. 12320 San Mateo Road (Highway 92), Half Moon Bay. 650-726-2342. lemosfarm.com.

Giordano Farms – Enjoy an old-fashioned pumpkin patch with goat and bunny petting corrals, the Loose Caboose train ride, hay bales and hay tunnel, corn maze and more. Opens Oct. 1. Daily, 9am-6pm. Snell and Chynoweth avenues, San Jose. 408-761-9831. giordanofarms.com.

Grandpa’s Pumpkin Patch – Enjoy farm animals, bounce houses, hayrides, a maze and a haunted house all included with the price of admission. Opens Oct. 1. Daily, 9am-9pm. $3. 660 W. El Camino Real,
 Sunnyvale. 650-799-9555. grandpaspumpkinpatchandchristmastreelot.com.

Rodoni Farms – Roam through fields full of pumpkins of all varieties, enjoy great picnic sites, hay bales and scary cutouts and the corn maze. You can also get fresh Brussels sprouts on the stalk, artichokes, corn stalks and gourds. Daily, 9am-dusk. 4444 Highway. 1, Santa Cruz. 831-426-6438. rodonifarms.com.

Spina Farms – Tour the pumpkin patch aboard the Spina Pumpkin Express Train or explore the Indian corn field on an old-fashioned hay ride adventure. Enjoy homemade pumpkin bread, a play area, a picnic area and more. Mon.-Fri., 9am-6pm. Sat.-Sun., 9am-8pm. Santa Teresa Boulevard and Bailey Avenue, San Jose. 408-463-0125. spinafarmspumpkinpatch.com.

Uesugi Farms ­– In addition to fields of pumpkins, enjoy activities

for the whole family. Take a train or hay ride, wander the mazes, ride the carousel or ponies, go to the petting zoo, listen to live music and more. Check website for hours. 14485 Monterey Road, San Martin. 408-778-7225. uesugifarms.com.

Halloween Events

Blossom Birth Trick-or-Treat and Halloween Carnival – Enjoy trick-or-treating at participating businesses, carnival games, live music and toddler-friendly activities. Sun., Oct. 28. 10am-2pm. FREE. Blossom Birth, 299 S. California Ave., Palo Alto. 650-321-2326. blossombirth.org.

Downtown Safe Trick-or-Treat – This Morgan Hill tradition provides a fun and safe environment for children and families to experience Halloween. Wed., Oct. 31. 5-7pm. FREE. Downtown Morgan Hill, Monterey Road, between Main Street and Dunne Avenue. 408-779-3190. morganhilldowntown.com.

Halloween Hike – Wear your costume for this 2-mile night hike, learn about creatures that live in the park and hear family-friendly ghost stories. Meet at the Bear Ranch entrance with flashlights and warm clothing. Reservations required. Sat., Oct. 20. 7-9pm. FREE. Coyote Lake Harvey Bear Ranch County Park, see website for directions, Gilroy. 408-355-2240. parkhere.org.

Halloween Camp Night – Guests camp overnight on Friday, then enjoy the park on Saturday. This unique camp program includes three meals, exciting activities, overnight camping and park admission. Fri., Oct. 27. 3pm. $40-50. Gilroy Gardens, 3050 Hecker Pass Hwy. 408-840-7100. gilroygardens.org

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Halloween Haunt – Wear your costume, play ghostly games, carve a free pumpkin, eat s’mores around a campfire and take a creepy hike around Spring Valley Pond. Meet at the park office. $6 vehicle entry fee. Fri., Oct. 26. 5-8pm. FREE. Ed Levin County Park, 3100 Calaveras Road, Milpitas. 408-262-6980. parkhere.org

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Halloween Haunts at Hidden Villa – Wear your costume and travel the enchanted trail, collecting treats and encountering wacky characters. Enjoy hot cider, goodies and spook-tacularly fun entertainment. Ages 4-12. Registration required. Oct. 26-27. Four times each day: 6:30-8:30pm, 6:45-8:45pm, 7:30-9:30pm and 7:45-9:45pm. $20. Hidden Villa, 26870 Moody Road, Los Altos Hills. 650-949-8650. hiddenvilla.org/calendar.

Spooky Slough! – Come in costume and enjoy hands-on activities, live animals, a twilight trek, games, story time and much more. Be prepared for cold weather and bring a reusable bag for trick-or-treating. Sat., Oct. 27. 6-8:30pm. FREE. Don Edwards Wildlife Refuge, 1751 Grand Blvd., Alviso. 408-262-5513 x102. fws.gov/desfbay.

Spooky Tales at Evergreen Cemetery – Wear your costume and take a spook-tacular journey through the cemetery as docents tell ghost stories (nothing too scary), teach you how to make a tombstone rubbing, send you on a spooky tour through the cemetery and more. Sat., Oct. 27. 11am-1pm. FREE. Evergreen Cemetery, Evergreen Street, Santa Cruz. 831-429-1964. santacruzmah.org.

Halloween Haunted House ­– Show up in costume and meet the ghosts, witches and goblins and enjoy games and activities. Ages 4-10, accompanied by an adult. Reservations required. Sun., Oct. 28. 6:30-8pm. $10-15. Gamble Garden, 1431 Waverly St., Palo Alto. 650-329-1356. gamblegarden.org.

Halloween Scary Boo ­– Experience the "Boo Zones" created with children in mind and themed for Halloween. Bring the kids for trick-or-treating, stop by the "Creepy Critters" petting zoo, Hay Maze, Spider's Lair and more. Through Oct. 28. Sat.-Sun., 10am-6pm. $30. Gilroy Gardens, 3050 Hecker Pass Hwy. 408-840-7100. gilroygardens.org.

Haunt History Park – Celebrate the Halloween season in a safe, fun and scare-free setting, trick-or-treat at the historic houses, ride the trolley, join the costume parade and enjoy creative hands-on activities. Sun., Oct. 28. 12-3pm. $3-8. History Park, 1650 Senter Road, San Jose. 408-287-2290. historysanjose.org.

Mommy and Me: Halloween on the Row – Wear your costume and trick-or-treat on The Row. Enjoy pumpkin decorating, Halloween photos and more. Tue., Oct. 30. 10am-12pm. FREE. Park Valencia, 3055 Olin Ave., San Jose. 408-551-4611. santanarow.com.

Trick-or-Treat on the Wharf – Little witches, goblins and ghosts and their parents can enjoy safe trick-or-treating at wharf businesses. Wed., Oct. 31. 4-6pm. FREE. Santa Cruz Wharf, Beach Street. 831-420-5273. cityofsantacruz.com.

Village School Halloween Carnival ­– Enjoy an evening of family fun with a haunted forest, a pumpkin walk, face painting and games. Fri., Oct. 26. 5-9pm. FREE. Village School, 825 West Parr Ave., Campbell. village.campbellusd.org.