We've learned earlier that も replaces the particles が, は and を. Other particles, such as に, へ and で, can be combined with も.
|Let's go to the temple as well.
|お寺 へ も 行きましょう。otera e mo ikimashou.
|There's an entrance at the back as well.
|後ろ に も 入り口 が あります。ushiro ni mo iriguchi ga arimasu.
The particle も can also be used multiple times with a meaning similar to both ... and ....