The villages of Leuggelbach and Diesbach lie across the river to the west, whilst Hätzingen is to the south and Schwanden is to the north.

Of the rest of the land, 3.3% is settled (buildings or roads) and the remainder (8.6%) is non-productive (rivers, glaciers or mountains).

[4] Haslen is located just off the Hauptstrasse 17, which at this point runs on the west bank of the Linth river.

Hauptstrasse 17 runs the length of the canton of Glarus before climbing the Klausen Pass into the canton of Uri, as well as on the Weesen to Linthal railway line that parallels the main road and the Linth river through Glarus.

The high alpine Klausen Pass is normally only open to traffic between June and September, and for the rest of the year the road and railway up the valley form the only access to the village.