Summits tend to have a thin soil cover while level landscapes are depositional environments and have thicker soil cover. South slopes receive more sunlight and heat than north slopes.
The most important factor for hydric soil formation is landscape position. The first thing we learn about hydrology is that water moves downhill. Hydric soils are most often found in depressions, along drainageways, and on level or concave slopes. Always note landscape position when delineating hydric soils.