This is a nice ranch. The owners are friendly, and overall the riding is good. Here are some things I didn't see in the other reviews I read before going to Tarryall.
The area around the ranch is hilly. Be prepared to walk up and down hills to get from your cabin, to barn, dinning or friends' cabins (if you can drive if you have a car).
More important, I think this ranch should be advertised as a Christian ranch. The rooms have Bibles and pamphlets “Learning from the Parables of Christ”. The centerpiece of the dining tables is a large sculpture of a cowboy kneeling at a cross. Very nice sculpture, BTW. On the first ride a guest asked the wrangler why she came to Tarryall, and she said that it was because of its Christian values. And so on. As hospitality business I think the ranch should either advertise itself as a Christian ranch, or recognize that they need to be welcoming to all.
Re the food: Most people really enjoy it. But there’s meat 5 out of 7 days, and the food is really ‘hearty.’ If you have food requirements do let them know in advance.
Last point. When a guest requested a different horse (was uncomfortable on horse was riding), was told no (‘you’ll get used to it’). Never saw this in my many years of ranch vacations.