The InterMountain Alpine Club is planning day hikes to Boulder Cave and Edgar Rock on June 22.
Cost is $1 for members and $2 for nonmembers, plus money for gas.
Hikers are required to bring flashlights for hiking through the 400-foot-long Boulder Cave.
They will meet at 8 a.m. at TRAC, 6600 Burden Blvd., Pasco.
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For more information, go to www.imacnw.org.