A country site requires competent design. So that the result is exceeded expectations, you can hire a specialist in landscape design.
Since the landscaping of the site requires great efforts, there are many firms working in this direction. But you can try and make an alpine slide, rockery and the entire landscape design of the site with your own hands. When choosing a plot for a reservoir or other objects, you need to pay attention to the landscape of the soil, remove excess soil, align or, on the contrary, build beautiful embankments.