Sunday, Sept. 18
Rock Party: Noon to 4:30 p.m. at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd., Boise. Activity stations for kids covering Idaho mining history, fossils and geology. Each child takes home a certificate and a free rock; easy hillside geo hikes, gold panning, geode-cracking and more. $4 general, $2 children 5-17, free for ages 4 and younger and museum members. 283-3186, idahomuseum.org.
Saturday, Sept. 24
Baldy Hill Climb: In Ketchum. Multiple race options to suit all abilities; a hiking race, running race, mountain biking race and the Cheeso Double, which combines the biking and running races in memory of the late SVSEF ski coach Craig “Cheeso” Kjesbo. Rounding out the lineup is the Kinderclimb for kids 11 and younger. Fundraiser for the Sun Valley Ski Education Foundation. $40 entry fee. No day-of-race signups; register at baldyhillclimb.com or in person at Sturtevant’s in Ketchum, the Elephant’s Perch or Backwoods Mountain Sports.
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Exploring Idaho Volcanism: Brittany Brand, volcanology professor at Boise State, will lead a trip to Guffey Butte near Celebration Park to observe a maar volcano. Register at the WinCo parking lot on Meridian Road at I-84 at 7:30 a.m. with an 8 a.m. departure. West Valley folks can register at Celebration Park between 8:45 and 9 a.m. Bring lunch, lots of water and dress for the weather. Return to Boise by 5 p.m. Approximately three-mile moderate hike. No preregistration required. $10 museum members, $15 nonmembers. Info: 853-1678 or idahomuseum.org.
Saturday, Oct. 1
Avimor Kids Duathlon: 10 a.m. at Avimor’s Heritage Foothills Community Park, off of Idaho 55 north of Eagle. Free kids run/bike duathlon (various age groups), healthy snacks, craft station and games, vendors, safe route to school skills course, more. Register in advance at adacounty.id.gov.
Friday-Saturday, Oct. 14-15
Crosstoberfest: Oct. 14-15 in Hailey. Cycling and beer festival with more than 75 beers on tap, music, Bavarian-style eats and races for men, women and youth. Benefits Road & Dirt. $25 for the weekend, $15 Friday only. crosstoberfestidaho.com.
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