Avimor north of Eagle will host mountain bike demos, trail rides and festivities and more from 9 a.m. to 4 p.m. Saturday, Sept. 8.

People can hit the 90-plus-mile trail network in the Foothills above Avimor and then enjoy beer, wine, food and live music. The event is free. Local bike shops will have their newest bikes and products, and you can try them out on various trails in the area. There will be group rides led by volunteers.

If you’re biking along the Boise Greenbelt, Sunday, Sept. 9, swing by the Boise Bike Crawl in Ann Morrison Park.

Cyclists of all ages are invited to stop by the Old Timers’ Shelter from 11 a.m. to 3 p.m. next to the Greenbelt to get lots of free information on bicycling in the area.

Topics will include: bike etiquette, rules of the road, bike maintenance, helmets and commuting. Helmets will be given to kids and adults who need them.

Volunteers are needed Tuesday, Sept. 18, and Saturday, Sept. 22, to help conduct a survey of Greenbelt users.

Information collected from the one-page survey will be used in management decisions for the stretch of Greenbelt maintained by Boise Parks and Recreation.

Managers use survey results to measure satisfaction and identify needs and problem areas on the Greenbelt.

Teams of two to three volunteers are needed in shifts at a variety of locations. Time shifts are from 7 to 11 a.m., 11 a.m. to 3 p.m. and 3 to 6 p.m.

To sign up online, see bit.ly/IOmN8R and type “Boise Greenbelt Survey” in the search box. Or contact Jerry Pugh, Boise Parks and Recreation volunteer coordinator at jpugh@cityofboise.org, or 608-7617.

Trout Unlimited’s Ted Trueblood Chapter will feature a program by Jason and Julia Zicha of Fall River Flyrods on the use, care of, history and construction of bamboo fly rods at 7:30 p.m. on Wednesday, Sept. 12. Rods will be available for demonstration.

The meeting will be held at the MK Nature Center auditorium, 600 S. Walnut St. behind Fish and Game headquarters.