Each pathway scores 0 to 3 on the quality of the evidence published, not on the quality of the property. Open a row for every claim and its source.
Air Quality1Claimed, 1 of 3.
Claimed1 of 3 · Filtration, ventilation and what the air is measured at.
- Claimed
The reserve's frequently asked questions state that its hotels and facilities are entirely non-smoking and that smoking is prohibited inside guest rooms and in enclosed common spaces, with no filtration, ventilation or air measurement named.
En consideración al medio ambiente y a la salud de las personas, nuestros hoteles e instalaciones son 100% no fumadores, por lo que se prohíbe fumar dentro de las habitaciones y en espacios comunes cerrados.
PublishedReserva Biológica Huilo Huilo, Preguntas frecuentes. Checked 2026-08-16.
What would move this score
- What filter grade is fitted to guest room air handling, for example MERV 13 or HEPA H13?
- What is the fresh air supply rate per person in a guest room?
- Are carbon dioxide, particulate or volatile organic compound levels measured, and are the readings published?
- Is there a mould inspection and remediation protocol, and when was it last run?
- Are there gas cooktops, fireplaces or other combustion sources inside guest rooms?
Water Integrity1Claimed, 1 of 3.
Claimed1 of 3 · Source, treatment, tested panels and how drinking water arrives.
- Claimed
A 2012 report in Diario El Ranco listed, among the facilities of Hotel Nothofagus, baths set in centenarian tree trunks filled with heated natural waters, naming no water source, treatment or sanitation method.
Además, el hotel tiene amplias salas de estar, dos comedores, un centro de convenciones para 200 personas, cancha de mini golf, bar internacional, sala de juegos para niños, lavandería, biblioteca y baños en troncos centenarios con aguas naturales climatizadas.
PublishedDiario El Ranco, El Hotel Baobab de la Reserva Biológica Huilo Huilo cambia de nombre: ahora se llamará Nothofagus. Checked 2026-08-16.
What would move this score
- What is the water source, and what treatment is applied before it reaches a guest room?
- Is there a published contaminant test panel, and which laboratory ran it?
- Is shower and bath water filtered, and to what specification?
- How are pools and spas sanitised, and is the chemistry published?
- How is drinking water delivered, and is it treated on site?
Light Rhythm0Not published, 0 of 3.
Not published0 of 3 · Circadian lighting specification, flicker, blackout and daylight.
We looked for published information on Light Rhythm and found none. That is a gap in the public record, not a finding about the property.
What would move this score
- Is guest room lighting tunable or circadian, and what specification is published?
- What colour temperatures are used in the evening, and are fixtures flicker free?
- Do sleeping areas have full blackout, and is it specified?
- What daylight access does a typical room have?
- Is exterior lighting shielded or reduced overnight?
EMF Harmony0Not published, 0 of 3.
Not published0 of 3 · Wired versus wireless topology, and what is measured where people sleep.
We looked for published information on EMF Harmony and found none. That is a gap in the public record, not a finding about the property.
What would move this score
- Are guest rooms wired for data, or is access wireless only?
- Where are wireless access points and smart meters placed relative to the bed?
- Have field levels been measured in sleeping areas, and by whom?
- Can a guest have wireless disabled in their room on request?
- Is any shielded cabling or shielding material specified in the build?
Materials and Textiles2Specified, 2 of 3.
Specified2 of 3 · Named materials, finishes, bedding composition and cleaning chemistry.
- Specified
A 2012 report in Diario El Ranco on the renaming of the hotel stated that it was built from the wood of four named native species: raulí, coigüe, roble and lenga.
Ahora se llamará "Nothofagus", la misma denominación científica que reciben los árboles con cuya madera fue construido: raulí, coigüe, roble y lenga.
PublishedDiario El Ranco, El Hotel Baobab de la Reserva Biológica Huilo Huilo cambia de nombre: ahora se llamará Nothofagus. Checked 2026-08-16. - Specified
The same 2012 report described the interior ramp serving the guest rooms at Hotel Nothofagus as having railings made of mañío and raulí trunks covered with roots and lianas.
Para acceder a las habitaciones se puede hacer uso de un ascensor o de una rampa con una suave pendiente que circula por todo el interior, como una especie de caracol, cuyas barandas de troncos de mañío y raulí están cubiertas de raíces y lianas.
PublishedDiario El Ranco, El Hotel Baobab de la Reserva Biológica Huilo Huilo cambia de nombre: ahora se llamará Nothofagus. Checked 2026-08-16. - Claimed
The property describes Hotel Nothofagus on its own site as a building made of noble materials, with no product, brand, grade or standard named.
Como salido de un reino desconocido, en medio del Bosque Húmedo Templado un árbol extiende sus ramas hacia el cielo y emerge Nothofagus, maravilloso edificio hecho de materiales nobles donde se experimentan sensaciones, formas, texturas y sonidos que nos traerán de vuelta a lo natural.
PublishedReserva Biológica Huilo Huilo, Hotel Nothofagus. Checked 2026-08-16.
What would move this score
- What are the mattresses made of, and are they treated with flame retardants?
- What is the fibre content of the linen, and is it certified, for example to GOTS or OEKO TEX?
- Which paints, adhesives and sealants were specified, and are they low emission?
- What cleaning and laundry products are used, and is the list published?
- Are there named low emission certifications on the flooring or joinery?
Food and Kitchen1Claimed, 1 of 3.
Claimed1 of 3 · Sourcing, on site growing, cookware, kitchen water and additive discipline.
- Claimed
The property states that dishes at Restaurante Nothofagus are prepared with food from the surrounding land and that its buffet draws on local gastronomy, naming no farm, supplier, share of produce or verification.
Here, you can enjoy dishes prepared with food from this magical land, where every bite will connect you with the surrounding nature.
PublishedReserva Biológica Huilo Huilo, Restaurante Nothofagus. Checked 2026-08-16. - Claimed
The property states that its Petermann brewery and pizzeria, close to the hotel reception, makes pizzas with local ingredients including wild boar, deer, trout and salmon and serves four named artisanal beers, with no supplier, producer or sourcing verification published.
the brewery Petermann, offers exquisite varieties of pizzas, made with local ingredients, such as wild boar meat, deer, trout and salmon, which can be accompanied by any of the four varieties of artisanal beer: Arrayanes, Piedras Negras, Pilmaiquén and Pozo de Oro.
PublishedReserva Biológica Huilo Huilo, Petermann Brewery and Pizzeria. Checked 2026-08-16.
What would move this score
- What share of produce is grown on site or sourced locally, and is it verified?
- Which cooking oils are used, and is the policy published?
- What cookware is used in the kitchen?
- Is kitchen and ice water filtered, and to what specification?
- Is there a published position on additives, preservatives or allergens?
Biophilic and Healing Design2Specified, 2 of 3.
Specified2 of 3 · Nature access, views, volume and natural material contact, designed with intent.
- Specified
In a 2020 interview with Ladera Sur, the architect of the reserve's hotels, Rodrigo Verdugo, describes the connecting corridors between the hotels as deliberately set low and elevated so that guests see different strata of the forest.
Por ejemplo, el que los pasillos de conexión entre los hoteles fueran bajos y elevados, para ver distintos estratos del bosque
PublishedLadera Sur, La arquitectura surrealista de la Reserva Biológica Huilo Huilo. Checked 2026-08-16. - Specified
The same interview records the architect's stated intent for Montaña Mágica, a lodge conceived as a water feature from whose facades water falls and plants grow, and describes Nothofagus as connected to it by a climate controlled bridge.
De esta forma, inmersos, entre líquenes, briófitas, hongos, olivillos y canelos, entre otros ejemplares de todo el proceso simbiótico, siguió la construcción del hotel Nothofagus, de 55 habitaciones, que se conecta por un puente climatizado desde montaña mágica.
PublishedLadera Sur, La arquitectura surrealista de la Reserva Biológica Huilo Huilo. Checked 2026-08-16. - Specified
A 2012 report in Diario El Ranco describes Hotel Nothofagus as tree shaped, with a waterfall and an oak running up through its seven storeys inside the structure.
Al igual que "Montaña Mágica Lodge" -el hotel con forma de montaña que está ubicado a su lado y al que está unido por una pasarela de madera- el "Nothofagus" se caracteriza por su innovadora arquitectura: tiene forma de árbol y en su interior, en la mitad de su estructura, hay una cascada de agua y junto a ella un roble que recorre sus siete pisos de altura.
PublishedDiario El Ranco, El Hotel Baobab de la Reserva Biológica Huilo Huilo cambia de nombre: ahora se llamará Nothofagus. Checked 2026-08-16. - Claimed
The property states that all 55 rooms at Hotel Nothofagus have a view of the Patagonian forest.
Cuenta con 55 habitaciones con excelente vista a la Selva Patagónica, divididas en cuatro categorías: Estándar, Superior, Suite y Suite Nothofagus.
PublishedReserva Biológica Huilo Huilo, Hotel Nothofagus. Checked 2026-08-16.
What would move this score
- Does every guest room have direct outdoor access or an operable opening?
- What is the published design intent behind the natural materials used?
- What are the typical ceiling heights and room volumes?
- Was the landscape designed with native planting, and is the palette published?
Sound and Sensory Ecology0Not published, 0 of 3.
Not published0 of 3 · Measured background noise, separation between keys, and scent load.
We looked for published information on Sound and Sensory Ecology and found none. That is a gap in the public record, not a finding about the property.
What would move this score
- What is the measured background noise level in a guest room at night?
- What acoustic separation is specified between adjoining keys?
- How loud is the guest room air conditioning at its lowest setting?
- Is fragrance diffused into guest rooms or public areas, and can it be declined?
38 open questions could be answered with information this property already holds. Answer these for this property
Where you’ll be
Neltume, Los Ríos, Chile
-40.0299, -71.9527 · Open the full map · © OpenStreetMap contributors
What is not publishedthe gaps we looked for and did not find
Huilo Huilo publishes a great deal about the 100,000 hectare reserve and very little about the interior systems of the lodging inside it. No filter grade, ventilation rate, water panel, laboratory, light level, field reading or noise measurement was found for any of the hotels or cabins. On water, the property publishes a spa with a heated pool, a cold pool reserved for adults, an outdoor pool, the Laguna Encantada pool, saunas, relaxation rooms and a jacuzzi, and a 2012 description of baths in centenarian tree trunks filled with heated natural waters. Its programme pages also name its own bottled mineral water, Agua mineral Huilo Huilo, as included for guests. No source, treatment train, mineral profile, tested panel or sanitation method is published for any of them, and nothing is published about the water in guest room taps or showers. On light, the only glazing reference found is a 2020 interview in which the architect recalls that glass and thermopanel materials were hauled to the site during construction, which describes construction logistics rather than a daylight or lighting specification, and no colour temperature, blackout or fixture detail is published. On EMF, the help centre states that Entel and Movistar cover some areas of the hotels and that there is a WiFi network in the common areas: that is a coverage statement, it does not say guest rooms are unserved, and no wired option, access point placement, shielding or field reading is published. The property's cabin pages list slow combustion heating among the amenities of the Cabana Mediana and the Cabana Grande, and a 2015 feature describes lounges with open fireplaces. Those are combustion sources inside the envelope, recorded here and never credited as air evidence, and no flue, appliance, emission rating or indoor air reading is published for any of them. The property's own hotel pages describe no heating system, and the reserve's blog on sustainable firewood use discusses the practice regionally without stating what its own lodging uses. Conservation programmes, the Truful mini hydroelectric plant and the reserve's annual forestry volume are published in detail and none of them measure what a guest is exposed to indoors.
Other standards held
Useful context. A held standard does not move a pathway score on its own. It moves a score only through the evidence that standard publishes.
- The Long Run, Listed by the property among its recognitions, dated 2012 Awarded by The Long Run. Source
Regional context2 public figures about the area, none of which scores
Public data about the surrounding area. None of it contributes to the score, because a property cannot be marked down for the conditions outside it.
- Safely managed drinking water, Chile: The World Health Organization reports 98 per cent of the population nationally, 99 per cent in urban areas using a safely managed drinking water service. This describes the country, not this property, and says nothing about what reaches a guest room here. It is recorded because it is the background against which a property's own treatment is worth publishing. Source
- Ambient PM2.5 and PM10 near Neltume, Los Ríos, Chile: Modelled ambient air over this location averaged 1.2 micrograms per cubic metre of PM2.5 and 1.5 of PM10 across the 720 hours to 2026-08-17, peaking at 12.9 PM2.5. The World Health Organization annual guideline for PM2.5 is 5. This is the outdoor air over the area, modelled rather than measured on site, and it is not a reading of the air inside any room. Source
Not published is not unsafehow to read these scores, and what this index does not promise
A low score means a property has not published information. It does not mean the property is unsafe, unhealthy or poorly run.
These scores measure disclosure. These scores describe disclosure, not property quality. This index has no commercial relationship with the properties listed unless a badge on the listing says otherwise.
Conditions change, and we will not always know. Every record is a snapshot of what a property had published when we read it, and that date is on the page. Conditions change: a property can refit, change suppliers or replace a system at any time, and nothing requires it to tell us. We re-read records and ask properties directly for updates, but there will always be a gap between what is true today and what was published when we looked. Use this as a frame of reference for what to ask, not as a substitute for asking. Take your own questions to the property before you book, and tell us if you find something we have wrong.
We report what properties publish. We do not inspect, certify or vouch for any property on this index unless a listing says we assessed it on site, and we accept no responsibility for decisions made or outcomes experienced on the basis of what you read here.