Upon purchasing your home or property in River Rock, you should have received a set of covenants from the title company. If you did not receive them, you can purchase a set from the River Rock office and/or the courthouse.
There is an updated online version. The covenants for River Rock are lenghthy and to save you time in downloading the page, they are broken into the following sections:
Record Date, Table of Contents, Introduction
Gallatin Co. Planning Dept. Required Cov., Article I, Article II
Article III, Article IV, Article V, Article VI, Article VII
Article VIII (includes specifics for each River Rock neighborhood)
Article IX, Article X, Article XI