Timberline Knolls Residential Treatment Center offers a nurturing environment of recovery that helps each woman in our care to strengthen herself from within. Every member of our accomplished team commits to embodying our Core Values by serving our residents and their families with: Uncompromising Care Relentless Compassion An Unconditional, Joyful Spirit Timberline Knolls is located on 43 tranquil acres in the suburbs of Chicago. Residential treatment at Timberline Knolls includes a state-approved school for adolescents and 24-hour, 7 day per week medical care. Our intensive, holistic 6 treatment model results in a depth of recovery that is transformational for residents, and fulfilling for our staff.