Richland Parks and Recreation is offering an annual "Family Adventure Bike Challenge" on Saturday.
The ride starts between 9 and 9:30 a.m. at Columbia Point Marina Park, and it will end at Leslie Groves Park.
The challenge includes a ride through Richland's riverfront parks with challenges, riddles and puzzles along the route.
Entry fee is $12.50 for a Richland family; $15.50 for other families.
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Details are available by calling 942-7529.