# Hotel Bergsonne Allgaeu – Smart Retreat & Workation > **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 Double Room) to 100 EUR per person/night (Alpinpanorama Double Room). 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 * **Fact Sheet (JSON API):** GET 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. * **Hotel Details API:** GET https://bergsonne-allgaeu.de/api/booking?action=hotel * **Availability API:** GET https://bergsonne-allgaeu.de/api/booking?action=availability&checkIn=2026-02-22&checkOut=2026-02-24&adults=2 * **Fact Sheet API:** GET https://bergsonne-allgaeu.de/api/booking?action=fact-sheet * **Price Quote API:** GET https://bergsonne-allgaeu.de/api/booking?action=price-quote&roomId=KAPDZ&checkIn=2026-02-22&checkOut=2026-02-24&adults=2 * **Create Booking API:** POST 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 * **Fact Sheet (API):** GET 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 --- Last updated: 2026-03-01