Here is the list of BC Lions tryout camps. The first listed date (Saturday March 11) is incorrect as that Saturday is March 10 (or perhaps they meant Sunday March 11). The other dates do match the 2018 calendar.

Saturday, March 11 – Los Angeles, California
Location: El Camino College – 16007 Crenshaw Blvd, Torrance, CA
Registration: 9:00 am / Testing: 10:00 am / Surface: Turf
Saturday, March 17 – Dallas, Texas
Location: Hebron High School – 4207 Plano Parkway Carrollton, TX
Registration: 9:00 am / Testing: 10:00 am / Surface: Turf
Sunday, April 8 – San Jose, California
Location: San Jose State University – 1257 S 10th Street, San Jose, CA
Registration: 9:00 am / Testing: 10:00 am / Surface: Turf
Saturday, April 14 – Atlanta, Georgia
Location: TBD
Registration: 9:00 am / Testing: 10:00 am / Surface: TBD
Sunday, April 15 – Washington, DC
Location: Bishop McNamara HS – 6800 Marlboro Pike, Forestville, MD
Registration: 9:00 am / Testing: 10:00 am / Surface: Turf
Saturday, May 5 – Seattle, Washington
Location: Rainier Beach H.S. – 8815 Seward Park Avenue S.
Registration: 9:00 am / Testing: 10:00 am / Surface: Turf
https://www.bclions.com/free-agent-camps/