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About us



Welcome to Altitude Paddleboards on-water experiences!

Altitude Paddleboards on-water classes at Grant Ranch run from June 1st through September 11th.

Check the schedule for specific dates and times.

Our on-water experiences are held on a private lake at Grant Ranch Village Center (click link for directions)

Our retail location is located at 2690 W. Main St. in beautiful downtown Littleton, CO.

Our exclusive Grant Ranch flat water classes are taught using PaddleFit coaching techniques.

Introduction to SUP covers the ABCs of SUP and for those with some experience we will take you to the next level of proper form and technique.

Our 90-minute Open Paddle sessions are an opportunity to paddle freely as you wish, within the eastern area of the beautiful Grant Ranch reservoir. Your open paddle coach will be available for optional technique tips upon request.

SUP Yoga classes begin after a short paddle to our "Yoga Cove". We will guide you in a vinyasa flow specifically designed for SUP Yoga.

We offer free parking, and top quality equipment (Board, Paddle & PFD) is included with every option. Grant Ranch is a private reservoir and paddling access for the public is only through enrollment in an Altitude Paddleboards class or event.

  • All flat water classes meet at the Grant Ranch Village Center Marina Gate (7255 Grant Ranch Blvd. Littleton, CO 80123) and include an epoxy or inflatable board, paddle and PFD. Private boards are not allowed at Grant Ranch. The Marina Gate is located next to the reservoir adjacent to the boat dock.
Single class passes can be purchased for $30 for 60-minutes (SUP Yoga) or $40 to $45 for Introduction to SUP. Single class passes can be used anytime during the current year operational period. A Grant Ranch 4-pack pass can be purchased for $100 and can be used for any combination of four SUP Yoga or Open Paddle sessions. 4-pack passes are not transferable and must be used by original purchaser within 30 days of the first class enrollment. The last date to purchase a 4-pack is August 15.