Contacting The Summit Lighthouse

Postal Mail: The Summit Lighthouse
63 Summit Way
Gardiner, Montana USA 59030-9314

Email: TSLinfo@tsl.org

Customer Service Hours:
Mon, Tues, Wed & Fri: 9:30 AM – 5:00 PM (Mountain Time)
Thur: 10:00 AM – 5:00 PM

Phone:
US & Canada: 1-800-245-5445
Local Montana and International: 1-406-848-9500.
Compare your local time to USA Mountain Time.

Email the TSL Web Team for website content or technical issues.