What is the cost of the horseback riding. I can't find that posted anywhere.

https://www.destinationhotels.com/sunriver-resort/activities/horseback-riding-bend-oregon

I paid $15 per kid for less than 5 minutes and two laps; $45 for 3 kids which took 15 minutes. This was May 13, 2018.

Pony ride for little kids is $20

$45 for 30 mins and $60 for an hour