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The Children's Learning Laboratory at HHMI is located off Route 7 in Ashburn, Virginia, which is in Loudoun County several miles east of Leesburg, Virginia and 8 miles from Dulles Airport. If you are traveling from Route 7 East, travel approximately 4 miles from Leesburg, VA and make a left onto Janelia Farm Blvd (across from Ashburn Village). Turn right at next stop sign (Helix Drive). Check in at Security Gate. If you are traveling from Dulles Toll Road West, take I - 66 or I -495 to the Dulles Toll Road West to Rt. 28 North, then Rt. 7 West. Proceed on Rt 7 for about 2 miles. Make a right onto Janelia Farm Blvd (across from Ashburn Village). Turn right at next stop sign (Helix Drive). Check in at Security Gate.

The Learning Laboratory

  • Address: 19700 Helix Drive, Ashburn, VA 20147
  • Phone: 571-209-4025
  • Hours of Operation: M-F: 7:30 a.m. to 6:30 p.m.
  • Ages Served: Infants, Toddlers, Preschool, Pre-Kindergarten, School Age

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Local Resources

Additional resources we'd like to share.

  • American Academy of Pediatrics Committed to the attainment of optimal physical, mental, and social health and well being for all infants, children, adolescents, and young adults.
  • Consumer Product Safety Commission Lists recalled products which may still be in consumer's homes. A must-visit web site if you frequent children's resale shops!
  • Stand for Children America's only nationwide grassroots voice for children whose members take action at the national, state, community, and neighborhood levels.
  • The National Association for the Education of Young Children The National Association for the Education of Young Children (NAEYC) is the nation's largest and most influential organization of early childhood educators and others dedicated to improving the quality of programs for children from birth through third grade.
  • The National Parent Information Network (NPIN) The mission of NPIN is to provide access to research-based information about the process of parenting, and about family involvement in education. The NPIN believes that well-informed families are likely to make good decisions about raising and educating their children.
  • Zero to Three ZERO TO THREE is a national, non-profit organization located in Washington, D.C., dedicated solely to advancing the healthy development of babies and young children.