Mount Si Lacrosse Club serves youth and high school lacrosse players in the Snoqualmie Valley.

Concussion and SCA Information
Information from the Washington Boys Lacrosse Association regarding concussion and sudden cardiac arrest.
Greater Eastside Lacrosse League

Positive Coaching Alliance


Washington Boys High School Lacrosse Association

Washington Schoolgirls Lacrosse Association

Lacrosse Magazine is the flagship publication of US Lacrosse. LM has the distinction as the first feature magazine dedicated to the fastest game on two feet, and is the most widely-read lacrosse publication in the world.

US Lacrosse provides a leadership role in virtually every aspect of the game throughout the United States, and offers a number of programs and information services to its national membership and more than one million lacrosse enthusiasts throughout the country.