The Frohburg is the ruin of a rock castle in the municipality of Trimbach in the Swiss canton of Solothurn and is one of the largest medieval castle ruins in …

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Eric 🖖

September 12, 2021

Mountain biking

For those interested in history: The Froburg is one of the oldest and largest fortifications in Switzerland and was first mentioned in a document around 1090. It was the main …

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Samtpfötli 🐾🐾

March 9, 2025

Hiking

Impressive large ruin with many fireplaces. If you are sure-footed and have a head for heights, you can climb the tower, which offers a wonderful view. The ascent is on a steep path in the rock with a wire rope as an aid.

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Routes here

Best Hikes to Frohburg Castle Ruins

4.6

(20)

hikers

1. Froburg Hill – Restaurant Froburg loop from Trimbach

11.0km

03:33

430m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

4.7

(23)

hikers

2. Froburg Hill – Frohburg Castle Ruins loop from Unterdorf

8.32km

02:30

270m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

4.3

(3)

hikers

3. Wartenfels Castle – Frohburg Castle Ruins loop from Trimbach

16.0km

05:14

670m

Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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Hard

Details

Informations

Elevation 850 m

Weather

Thursday 22 January

2°C

-3°C

-- %

Additional weather tips

Max wind speed: -- km/h

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Location: Trimbach, Gösgen, Solothurn, Espace Mittelland, Switzerland

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Frohburg Castle Ruins

1. Froburg Hill – Restaurant Froburg loop from Trimbach

2. Froburg Hill – Frohburg Castle Ruins loop from Unterdorf

3. Wartenfels Castle – Frohburg Castle Ruins loop from Trimbach

Other Popular Places to Check Out

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