Monday at 3 p.m. is the deadline to enter the lottery for spring wildflower tours on the Hanford Reach National Monument.
The U.S. Fish and Wildlife Service tours include a trip up Rattlesnake Mountain, weather permitting.
The bus tours will be offered at 9 a.m. and 1 p.m. April 25, April 27, May 8 and May 10.
There is no charge for the tour, but entering the drawing for a seat on a tour costs $3. Enter at www.fws.gov/hanfordreach/wildflowers on the Internet.
Winners should be notified by Wednesday.