The route begins at the “Max Valier” astronomical observatory near the Unteregger tavern (1,315 m) in San Valentino in Campo di Sopra/Obergummer. From here, follow trail no. 5 to the Vajolet tavern, continuing on trail no. 5 to the biotope. Then pass the sign for the Planetenweg (planet trail) on trail no. 3 until you reach the Landgasthof Lärchenwald tavern (1,350 m). Continue on trail no. 1 as far as the next Planentenweg signpost. Pass by the Schenken car park (1,300 m) on trail nos. 3 and 5A until you reach the Moser Weiher pond and the next Planetenweg signpost. Continue on trail no. 5 to the Tschigghof farm (1,332 m). The last Planetenweg signpost is located near the astronomical observatory.

Getting to the starting point of the tour by public transport is easy and convenient.

By public bus line:
- 182 from Bozen | Bolzano
- 187 from Welschnofen | Nova Levante
- 180 (change 187 or 182) from Karersee | Lago di Carezza, Karerpass | Passo Costalunga, Val di Fassa
-184 (change 182) from Obereggen, Eggen | Ega
- 181 (change 182) from Weissenstein | Pietralba, Petersberg | Monte San Pietro, Deutschnofen | Nova Ponente, Stenk
- 187 or 182 from Steinegg | Collepietra

Bus stop: Gummer | San Valentino Dörer Wiese; online timetable search at www.suedtirolmobil.info/en/

By using the scale of 1:1 billion to represent the solar system, in the ‘star village’ of San Valentino in Campo it is possible to hike from Mercury to Pluto in just a few hours. 

Parking: Parking lot Unteregger
Meeting point: Astronomical Observatory: https://g.page/SternwarteMaxValier?share

Getting to the starting point of the tour by public transport is easy and convenient.

By public bus line:
- 182 from Bozen | Bolzano
- 187 from Welschnofen | Nova Levante
- 180 (change 187 or 182) from Karersee | Lago di Carezza, Karerpass | Passo Costalunga, Val di Fassa
-184 (change 182) from Obereggen, Eggen | Ega
- 181 (change 182) from Weissenstein | Pietralba, Petersberg | Monte San Pietro, Deutschnofen | Nova Ponente, Stenk
- 187 or 182 from Steinegg | Collepietra

Bus stop: Gummer | San Valentino Dörer Wiese; online timetable search at www.suedtirolmobil.info/en/

By car:
Destination: Gummer | San Valentino
Parking: Parking lot Unteregger
Meeting point: Astronomical Observatory: https://g.page/SternwarteMaxValier?share