NAI Certification Calendar

CIG and CIH courses are managed by individual instructors, not through NAI’s national office, manage CIG and CIH courses. If you are interested in hosting or finding a CIG or CIH course in your area, please visit our See Who's Certified page to find an instructor near you.


Looking to become a trainer with NAI? Click below for upcoming courses:
Certified Interpretive Guide Train-the-Trainer Courses
Certified Interpretive Host Train-the-Trainer Courses

Certified Interpretive Guide Courses


April 16-19, 2018 | San Antonio, TX  
San Antonio River Authority-Mission Reach Operations Center

April 17-20, 2018 | Lakeland, FL  
Circle B Bar Reserve

April 28 - May 6 , 2018 | Sutton, AK  
Chickaloon Village Traditional Council Offices

May 14-17  | Spencer, IN  
McCormick's Creek State Park

May 16-22  | St. Louis, MO 
Saint Louis Zoo

May 21-24 | Kalispell, MT
Flathead Valley Community College

May 22-25 | Denali Park, AK 
Denali Cabins

June 4-8, 2018 | Baja California Sur, Mexico
Cabo San Lucas

June 5-8, 2018 | Seabrook, TX 
Clear Lake Park

June 8-29, 2018 | Milford, OH
Cincinnati Nature Center

June 12-15, 2018 | Houston, TX 
The Houston Zoo

June 12 - July 10, 2018 | Westminster, CO 
Butterfly Pavilion

June 26-29, 2018 | Newport, OR 
Yaquina Head Outstanding Natural Area

July 16-19, 2018 | Odem, TX  
Nueces Delta Preserve

August 6-10, 2018 | Brookfield, IL 
Brookfield Zoo

August 13-16, 2018 | Phoenix, AZ 
Phoenix Zoo

August 14-17, 2018 | Palm Desert, CA 
The Living Desert

August 20-23, 2018 | Lisle, IL 
The Morton Arboretum

August 28-31, 2018 | Milford, OH
Cincinnati Nature Center

August 28-31, 2018 | Westminster, CO 
Butterfly Pavilion

September 17-20, 2018 | Birmingham, AL  
Birmingham Zoo

October 15-19, 2018 | Chicago, IL 
Lincoln Park Zoo

November 5-9, 2018| Bretton Woods, NH 
Appalachian Mountain Club

November 6-9, 2018| Littleton, CO 
Carson Nature Center at South Platte Park

December 11-14, 2018 | Westminster, CO 
Butterfly Pavilion

January 10-15, 2019| Phoenix, AZ 
Phoenix Zoo

Certified Interpretive Host Courses


May 8-9, 2018 | Palm Desert, CA
The Living Desert

May 21-22, 2018 | Fort Pierce, FL 
Ecoheritage House at Richard E. Becker Preserve


Courses Offered by the NAI National Office

Workshops can be requested by contacting NAI at 888-900-8283. Professional categories of Certified Interpretive Trainer, Certified Interpretive Planner, Certified Interpretive Manager, and Certified Heritage Interpreter do not require attendance at a workshop to apply for or achieve certification. See certification handbook for details. However, the Certified Interpretive Guide Trainers workshop is required for anyone who wants to train others using NAI's CIG or CIH curricula.

Certified Interpretive Guide Train-the-Trainers


May 14-18, 2018 | Los Angeles, CA 
African American Firefighter Museum

September 24-28, 2018 | Reno, NV  
US Land Management Bureau Office

Certified Interpretive Host Train-the-Trainers


 We don't have any currently scheduled but check back often as more will be posted soon!