Great place to ride. We typically go 1-3 times a yr. Royal Blue has several nice cabins, in all sizes, with numerous accommodations. Their prices are fair and of course, they are right on the trail.
Unlike the more aggressive other local orv parks (wind rock, brimstone, etc), RB has a superb variety of trails types. Some are moderate, others will destroy your machine. There are lots of options. The trails also allow access to a few small towns w/goods & services. Trail permits are required and easily obtained from several locations, not to mention via the web.
A gps is very helpful, but not required. Most stores have maps available.
Only pitfall (imo) is very few nice sit-down rest/eateries. Btw - the Mexican rest at pioneer why exit is terrible. Have seen waits of over 2hrs last couple trips. Foods good, wait sucked.
If you want more info, just let me know.