https://www.sierranevadayarncrawl.com/

Here in the link for more info.
The Yarn Crawl will be September 19-22, 2019

They will be visiting 11 vendors.

Lofty Lou's in Placerville, Ca.
Needleworks in Auburn, Ca.
Ben Franklin's in Grass Valley, Ca.
Atlier, in Truckee, Ca.
Mama Fig, Graeagle, Ca.
Jimmy Beans, Reno, NV.
Yarn Refuge, Reno, NV.
Pioneer Yarn Co, Minden, NV.
North Tahoe Knits, Incline Villiage, NV.
The Knitting Nest, Stateline, NV.
Knits and Knots, South Lake Tahoe, CA.

Note... It is FREE to participate. A passport can be printed out and then turned in at the end for prize drawings.
Discounts and free patterns at each location.

Their web site had lots of info. Including a special google map that shows not only the yarn shops, but also local hotels, RV parks, and restaurants.
also note...Lofty Lou's is putting together a group participants to travel together and hit 8 out of the 11 shops in one day. See their site for more info.

Lofty Lou's in Placerville, Ca. https://www.knit.us/