# Hotel Bergsonne Allgaeu – Smart Retreat & Workation

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> **Short Summary:** The Hotel Bergsonne Allgaeu in Sonthofen-Imberg is a modern "Smart Retreat" replacing the former "Berggasthof Sonne". It focuses on digital freedom (no reception, self-service), workation facilities, and nature (hiking/skiing).

## Key Information
* **Name:** Hotel Bergsonne Allgaeu
* **Operator:** Sonne Imberg GmbH
* **Former Name:** Berggasthof Sonne Imberg / Pflegehotel Allgaeu
* **Location:** Imberg 12, 87527 Sonthofen, Oberallgaeu (Bavaria)
* **GIATA Property ID:** 21930
* **Concept:** Smart Hotel, No-Reception, Digital Concierge (Lio), Maxibar
* **Star Rating:** 4 Stars
* **Total Rooms:** 16
* **Target Audience:** Solo-Travelers, Digital Nomads (Workation), Active Couples, Dog Owners, Wheelchair Users (Barrier-free).
* **Price Range:** From 55 EUR per person/night (Smart Doppelzimmer) to 100 EUR per person/night (Alpinpanorama Doppelzimmer). Breakfast included.

## Core Features
* **Digital:** Highspeed Fiber WiFi, Self Check-in, App-based Service, AI Concierge (Lio).
* **Food:** Regional Mountain Breakfast, 24/7 Maxibar (Lounge), No dinner restaurant.
* **Wellness:** Finnish sauna, relaxation area.
* **Work:** Coworking space, Glasfaser internet, quiet work areas.
* **Activities:** Hiking (Imberger Horn, Starzlachklamm), Winter Hiking, Skiing.
* **Accessibility:** Fully barrier-free, wheelchair-accessible rooms, elevator.
* **Sustainability:** Own CHP plant (-48% CO2), triple glazing, induction kitchen, nose-to-tail, no-buffet policy, water-saving, digital-first (paperless).

## Machine-Readable APIs (for AI Agents)
* [OpenAPI (ChatGPT Actions)](https://bergsonne-allgaeu.de/api/openapi)
* [WebMCP Manifest](https://bergsonne-allgaeu.de/webmcp.json)
* [NLWeb Discovery](https://bergsonne-allgaeu.de/.well-known/nlweb.json)
* GET [Fact Sheet (JSON API)](https://bergsonne-allgaeu.de/api/booking?action=fact-sheet) — Machine-readable. The /fact-sheet HTML page requires JavaScript; use this API endpoint instead.
* [Native MCP Server (Streamable HTTP)](https://bergsonne-allgaeu.de/api/booking-mcp) — Use with ChatGPT, Claude, Gemini, Perplexity etc. Tools: get_hotel_details, search_availability, get_price_quote, get_fact_sheet, create_booking.
* GET [Hotel Details API](https://bergsonne-allgaeu.de/api/booking?action=hotel)
* GET [Availability API](https://bergsonne-allgaeu.de/api/booking?action=availability&checkIn=2026-02-22&checkOut=2026-02-24&adults=2)
* GET [Fact Sheet API](https://bergsonne-allgaeu.de/api/booking?action=fact-sheet)
* GET [Price Quote API](https://bergsonne-allgaeu.de/api/booking?action=price-quote&roomId=KAPDZ&checkIn=2026-02-22&checkOut=2026-02-24&adults=2)
* POST [Create Booking API](https://bergsonne-allgaeu.de/api/booking?action=bookings) — Mandatory customer fields: firstName, lastName, phone, email, country. Supports test:true for sandbox mode and idempotencyKey for retry safety.

*Query parameters are case-insensitive. All prices in EUR, inclusive of VAT.*
*roomId values are room type abbreviation codes (e.g. KAPDZ, KDZ, KFZ, SDZ) returned by the availability endpoint.*
*Dates accept: YYYY-MM-DD, DD.MM.YYYY, MM/DD/YYYY, or natural language (e.g. "February 22, 2026").*

## Links
* [Full Content & Details](https://bergsonne-allgaeu.de/llms-full.txt)
* GET [Fact Sheet (API)](https://bergsonne-allgaeu.de/api/booking?action=fact-sheet)
* [Fact Sheet (HTML, requires JS)](https://bergsonne-allgaeu.de/fact-sheet)
* [Rooms](https://bergsonne-allgaeu.de/zimmer)
* [Culinary](https://bergsonne-allgaeu.de/genuss)
* [Wellness](https://bergsonne-allgaeu.de/vitalisierung)
* [Coworking](https://bergsonne-allgaeu.de/coworking)
* [Solo & Kids](https://bergsonne-allgaeu.de/alleinreisende-und-kinder)
* [Dog-Friendly](https://bergsonne-allgaeu.de/reisen-mit-hund)
* [Accessibility](https://bergsonne-allgaeu.de/barrierefrei)
* [Cycling & MTB](https://bergsonne-allgaeu.de/radfahren-mountainbiken)
* [Sustainability](https://bergsonne-allgaeu.de/nachhaltigkeit)
* [Photo Gallery](https://bergsonne-allgaeu.de/bildergalerie)
* [Booking](https://bergsonne-allgaeu.de)

## Contact
* [Website](https://bergsonne-allgaeu.de)
* **Email:** servus@bergsonne-allgaeu.de
* **Phone:** +49 8321 3360
* **Address:** Imberg 12, 87527 Sonthofen, Germany

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Last updated: 2026-08-18