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Our Schedule

Registration for most GCO events opens at 9 a.m. and closes at 12 noon. Starting Times are assigned from 10 a.m. to 12:30 p.m. Beginner Instruction is offered as requested. Hint: Come anytime between 9 and 11 to have time for instruction and a course.

Our fees: $10 for each adult and $5 for each child or youth (ages 7-18) for non-members and $8 for adults and $4 for children or youths for members of GCO or other Orienteering clubs.

A second course is $2 per person. You can also rent a compass for $1 plus a refundable $5 deposit.

We offer online registration for most meets! This will save you time, plus give us a better count for printing maps. Here's how it works:

  • You can register and pay for your first course of the event.
  • You can buy a GCO membership, for discounted event fees.
  • You can rent a compass.
  • If you register online, you also have to pay online, using a credit card.
  • To further help speed things along on the day of the event, our liability waiver is available during checkout.

If you sign up online, and make sure to complete all the information in the signup process, you will be able to simply walk up to the check-in table. No additional paper forms, no waivers; it's all done online.

You can save time, particularly for groups, by filling out a Registration Form (left). Use ONE FORM for each individual or team going out together!!

PRE-REGISTRATION OPTION FOR GROUPS such as JROTC or Scouts with multiple teams. Contact the Event Director for each meet on the possibility of emailing your list of teams and courses a few days before the meet to save time.


Abbreviations: W = White, Y = Yellow, O = Orange, Br = Brown, Gr = Green, R = Red, B = Blue, ED = Event Director. CS = Course Setter.
White and Yellow are beginner courses. Orange is intermediate. Brown, Green, Red and Blue are all advanced courses with varying lengths and physical difficulty.

All meets are tentative, subject to park approval!! Dates might be changed for various reasons, so always check here! Look for more details on the meets closer to the date.

Looking for other nearby orienteering meets? Check out Bay Area Orienteering Club (BAOC) and terraloco.

We are including in our schedule below some of the closer six-event Nav-X Challenge Map Treks. Last year, GCO was one of the sponsors of this series, along with BAOC and terraloco. This year, Nav-X is becoming a nonprofit club, part of Orienteering USA. Check out the full schedule.

Meets and Events

Sunday, Sept. 10: Lake Tahoe park; Four- and Eight-Hour Map Trek; Nav-X event.

Saturday, Sept. 23: Orangevale Community Park, Orangevale; W, Y, O; ED/CS: Jennifer Kerr, , 916-922-8671.

Here are details about Orangevale Community Park and directions to get there. A Google map link is here.

Sept. 30-Oct. 1: Joe Grant Regional Park, San Jose; Three-, Five- and 16-Hour Map Trek; Nav-X event.

Saturday, Oct. 21: Mississippi Bar, Folsom Lake State Recreation Area, Fair Oaks; B Meet: W, Y, O, Br, R; ED: TBA; CS: Mats Jansson.

NOTE: This is a schedule change! We have decided to move our three-day national meet at Sierra College and Deer Creek Hills to March 30-April 1, 2018. The spring is beautiful at Deer Creek Hills!

Instead, we will be offering a regular meet at Mississippi Bar on the Oct. 21-22 weekend. Stay tuned for details!

Sunday, Nov. 12, Shell Ridge Park, Walnut Creek; Three- and Six-Hour Map Trek; Nav-X event.

Sunday, Nov. 19, Granite Bay, Folsom Lake State Recreation Area; ED: Dan Rathbun, 530-919-3160; CS: Bill MacDonald.

Here are details about Granite Bay and directions to get there. A Google map link is here.

Saturday, Dec. 9, Old Town Folsom; ED/CS: Dwight Freund, , 916-481-2850.


Friday, March 30 through Sunday, April 1, 2018, Three-day National Meet, Sierra College, Rocklin, and Deer Creek Hills, Rancho Murietta; ED: Mats Jansson, , 916-436-7660; CS: Dwight Freund, Bill and Heidi Cusworth.

Yes, GCO is planning its first three-day National Meet (official sanctioning is pending with Orienteering USA)! We have moved this to the end of March in 2018. Preliminary plans call for a Sprint on Friday afternoon at Sierra College and weekend courses on our newest map at beautiful Deer Creek Hills (Middle on Saturday, Long on Sunday).

Watch for more details!