CIG Training is Now Accepting Registrations

The Certified Interpretive Guide program is designed for anyone who delivers interpretive programs to the public. It combines both the theoretical foundations of the profession with practical skills in delivering quality interpretive programming to visitors. You must attend all four days over both weekends, Feb. 18th & 19th and 25th & 26th.

Register Before February 5th.


The Corvallis Environmental Center (CEC), in partnership with the National Association for Interpretation, is offering a professional certification course for individuals who will be delivering interpretive programs or having public contact at interpretive sites. The workshop will be held at the CEC Avery House Nature Center, in Avery Park near downtown Corvallis. Register Here.

Cost per Participant with Certification: $380.00
Includes: Course fees and materials, certification fee and a complimentary one year membership. Register Here.
Cost Breakdown:
Instruction: $55/day x 4 days = $220
CIG Certification Fee: $100
NAI Membership (1 Year): $50 ($25 for students)
CIG Workbook: $10
TOTAL: $380 ($355 for students)

*Please note if you are a full time student, use promo code CIG-COLDWAVES17 during registration. Register Here.


Workshop Trainer

Dr. Robert J. Lillie is an Emeritus Professor of Geosciences at Oregon State University and a Certified Interpretive Trainer through the National Association for Interpretation. Bob has served as a seasonal and volunteer interpretive park ranger at Yellowstone, Crater Lake, John Day Fossil Beds, Olympic, Mt. Rainier, Haleakala, and other National Park Service sites. He is author of “Parks and Plates: The Geology of Our National Parks, Monuments, and Seashores” (W. W. Norton and Company, 2005) and “Beauty from the Beast: Plate Tectonics and the Landscapes of the Pacific Northwest” (Wells Creek Publishers, 2015).
Since his retirement from OSU Bob has worked as an interpreter, instructor and interpretive trainer for the Marys Peak Alliance and the Oregon Master Naturalist Program.

Workshop Venue

Avery House Nature Center is located in Avery Park on the Marys River near downtown Corvallis. It’s environmental education programs help people discover their connection with nature and understand how their local ecosystem functions. Curriculum and activities are centered around theme-based units on wildlife,plants, and life cycles that follow nature’s seasonal cycles. Avery House is a program of the Corvallis Environmental Center, which strives to educate, engage and inspire people to build healthy, sustainable communities. Programs focus on environmental education, food & farming, and energy & climate action.

Further information about the venue

Grace Collar-Webb
Nature Program Coordinator
Avery House Nature Center
1200 SW Avery Park Drive
Corvallis, OR 97333
Phone: (814)-440-2729

Further information about the workshop

Robert J. Lillie
22370 Wells Creek Road
Philomath, OR, 97370
Phone: (541)-231-2247

Special Terms and Cancellation

Please note: Any registrations after February 5th, 2017 will have to pay a late fee of an additional $25.00.

Cancellations must be made in writing and emailed, postmarked, or faxed by February 5th, 2017; a nonrefundable processing fee of $50.00 will be assessed. Emailed cancellations should be sent to

Cancellations cannot be made by phone.

No refunds will be given after February 5th, 2016.