
Caverns
Your customized safe
The site, which spans over 62,000 m2, can be accessed through an entrance portal with an access tunnel. Each individual cavern consists of a vestibule and a vault. Large caverns can be divided into different units. The carvern’s respective subdivisions can be arranged according to the individual needs of respective users.
Individual caverns
Individual caverns are customized individual vaults. Among other things, they are ideally suited to storing vehicles, scrolls and books, files and documents, electronic data carriers, all kinds of art objects, jewellery, precious metals, coins and crystals.
Visualization of individual cavern vaults

Individual caverns
Description | Units | Plot area | Length | Width | Area | Height | Volume per unit | Base price | Expansions | ||
---|---|---|---|---|---|---|---|---|---|---|---|
Type A safe | 1 | ca. 250m² | 5m | 5m | 25m² | 4m | 100m³ | 530’000 CHF | according to client requirements | Units:1 Plot area:ca. 250m² Length:5m Width:5m Area:25m² Height:4m Volume per unit:100m³ Base price:530’000 CHF Expansions:according to client requirements | |
Type B safe | 1 | ca. 300m² | 10m | 5m | 50m² | 4m | 200m³ | 690’000 CHF | according to client requirements | Units:1 Plot area:ca. 300m² Length:10m Width:5m Area:50m² Height:4m Volume per unit:200m³ Base price:690’000 CHF Expansions:according to client requirements | |
Type C safe | 1 | ca. 350m² | 20m | 5m | 100m² | 4m | 400m³ | 940’000 CHF | according to client requirements | Units:1 Plot area:ca. 350m² Length:20m Width:5m Area:100m² Height:4m Volume per unit:400m³ Base price:940’000 CHF Expansions:according to client requirements | |
Type D safe | 1 | ca. 400m² | 20m | 8m | 160m² | 8m | 1100m³ | 1’350’000 CHF | according to client requirements | Units:1 Plot area:ca. 400m² Length:20m Width:8m Area:160m² Height:8m Volume per unit:1100m³ Base price:1’350’000 CHF Expansions:according to client requirements | |
Type E safe | 1 | individual | individual | individual | individual | individual | individual | individual | according to client requirements | Units:1 Plot area:individual Length:individual Width:individual Area:individual Height:individual Volume per unit:individual Base price:individual Expansions:according to client requirements |
All values are reference values
Large cavern
Due to their size, large caverns can accommodate entire storage systems. Among other things, it is particularly suitable for valuables with large dimensions, which must meet special security needs and requirements.
Visualization of large cavern

Large caverns
Description | Number of units | Plot area | Length per unit | Width per unit | Area per unit | Height per unit | Volume per unit | Base price | Expansions | ||
---|---|---|---|---|---|---|---|---|---|---|---|
Type X safe | 7 | ca. 1’575m² | 75m | 21m | 1’575m² | 3m | 4’725m³ | on request | according to client requirements | Number of units:7 Plot area:ca. 1’575m² Length per unit:75m Width per unit:21m Area per unit:1’575m² Height per unit:3m Volume per unit:4’725m³ Total volume:36’225m³Base price:on request Expansions:according to client requirements | |
Type Y safe | 3 | ca. 1’575m² | 75m | 21m | 1’575m² | 7m | 11’025m³ | on request | according to client requirements | Number of units:3 Plot area:ca. 1’575m² Length per unit:75m Width per unit:21m Area per unit:1’575m² Height per unit:7m Volume per unit:11’025m³ Total volume:36’225m³Base price:on request Expansions:according to client requirements | |
Type Z safe | 1 | ca. 1’575m² | 75m | 21m | 1’575m² | 23m | 36’225m³ | on request | according to client requirements | Number of units:1 Plot area:ca. 1’575m² Length per unit:75m Width per unit:21m Area per unit:1’575m² Height per unit:23m Volume per unit:36’225m³ Total volume:36’225m³Base price:on request Expansions:according to client requirements | |
Type U safe | individual | individual | individual | individual | individual | auf Anfrage | on request | Number of units:individual Plot area:> 1’575m² Length per unit:individual Width per unit:individual Area per unit:individual Height per unit:individual Volume per unit:>36’225m³ Total volume:36’225m³Base price:auf Anfrage Expansions:on request |
All values are reference values
MONSEC
Your added value
Vault
The vaults are suitable not only for storing personal valuables safely, but also for services that require compliance with specific security standards (such as those that apply to clean rooms). Size and equipment are determined by the buyer. From 100 m³ up to 100,000 m³ and more with a height of up to 90 m, all volumes are possible.
Plot
Plots are available under a building lease for a maximum of 99 years. The building lease compensation at the time of reversion ensures high value retention of the asset.
Access
The caverns are accessed via an access tunnel. A security lock is followed by access to the vestibule and the personal vault – around the clock.
Infrastructure
The caverns are designed according to individual requirements and are maintained and serviced by Brünig Mega Safe AG. The services provided by Brünig Mega Safe AG include supplying water, heat, air, electricity, and light, as well as cleaning and maintenance management and portal security.

Expansion options
The caverns can be expanded to suit your specific needs. Other building features, such as partition walls or rooms, can be installed within a cavern.
Costs
The annual recurring costs for building lease interest, maintenance, access and security are minimal compared to conventional property (no facade maintenance, no wear and tear, no renewals or renovations are necessary).
Office space
For the completion of administrative tasks in connection with the vaults, additional well-equipped office space can be rented in the outside area.
Sustainability
All the services and products related to the management of Brünig Mega Safe AG and its cooperation with market-leading specialized Swiss companies comply with the highest standards for society, the environment, and energy.
Extensive security
Situation plan
Area and security areas: Individual and large cavern
1 Portal
2 Access to high-security zone A
3 Access to the large and individual caverns
4 Individual caverns
5 Large caverns
6 High-security zone A
7 Security zone B
8 Parking spaces
9 Office space
10 Helipad