Playing Outdoors calendar: Aug. 17-23

Saturday-Sunday, Aug. 20-21

Idaho Knife Association Knife Show: 10 a.m. to 5 p.m. Saturday and 10 a.m. to 3 p.m. Sunday at the Wyndham Garden Boise Airport Hotel, 3300 S. Vista Ave. Hundreds of traditional hunting, utility, culinary and collectible knives from local and world famous makers, as well as tactical, military and law enforcement grade knives, gear and supplies. Also, knife-making demonstrations, classes on self-defense techniques, a cutting challenge, and silent and live auctions. $5 per person per day or $12 per family, free for Idaho Knife Association members. idahoknife.com.

Friday-Saturday, Aug. 26-27

Sawtooth Salmon Festival: Kicks off at 5 p.m. Friday at the Stanley Community Center, Idaho 21, with a presentation by Outdoor Idaho and Idaho Public Television’s host Bruce Reichert. Continues Saturday at 10 a.m. at the Stanley Museum, with free shuttle tours throughout the day to view wild salmon spawning; educational booths; salmon experts; food and drink; and a salmon dinner with music ($40 general, $30 for SIHA or IRU members). Free. (208) 343-7481, idahorivers.org.

Sunday, Sept. 4

Old Selam Trail Ride: In Council (new location). Pleasure trail ride on your horse on the scenic Weiser River Trail. $20. Pre-registration encouraged but not required. 887-2068, fwrt@inbox.com; endurance.net/switdr/.

Saturday-Sunday, Sept. 10-11

Great Idaho Gun Show: 9 a.m. to 6 p.m. Saturday and 9 a.m. to 3 p.m. Sunday at Ford Idaho Center, 16200 Idaho Center Blvd., Nampa. Sponsored by Lewis-Clark Trader. $8 admission, free for children 9 and younger.

Sunday, Sept. 11

Jordan’s Ride: Late registration at 7 a.m. with start of first ride at 7:30 a.m. at Eagle Sports Complex, 12000 Horseshoe Bend Road, Garden City. Distances include 10, 30, 50, 100 and 105 miles. Benefit bicycle ride to raise funds for Inland Northwest SIDS Foundation and The SUDC Foundation. $35 individual, $25 children 15 and younger. jordansride.org.

Intro to Geologic Mapping: 11 a.m. to 2 p.m. at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Road, Boise. Learn the principles of geology, rock unit identification and description. Includes a moderate hike to Castle Rock while mapping the local geology of the area. Facilitated by Josh Ekhoff and Amanda Laib, Boise State University. Bring snacks and water, wear sturdy shoes and dress for the weather. Free to museum mmebers, $5 nonmembers. 571-5720, idahomuseum.org.

Sunday, Sept. 18

Rock Party: Noon to 4:30 p.m. at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Road, 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

Exploring Idaho Volcanism: Brittany Brand, volcanology professor at Boise State University, 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. Approx. three-mile moderate hike. No preregistration required. $10 museum members, $15 nonmembers. 853-1678, idahomuseum.org.

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