Mallos de Riglos & the Canyons of the Sierra de Guara Walking Holiday

Wonderful hiking amongst the amazing cliffs of Mallos de Riglos and the spectacular canyons of the Sierra de Guara
May and October 2026
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Country
Spain
Grade
Moderate
Duration
7 nights
Style
Guided
Type
Twin Centre
Price
£1495

Explore the sunny foothills of the Pyrenees in Spring & Autumn

This guided, twin-centre walking holiday in the Spanish Pyrenees starts in Murillo de Gallego, 120 km north of Zaragoza. Enjoy 3 days hiking among the stunning cliffs of Mallos de Riglos. Next, we head to the hidden canyons of the Sierra de Guara, staying in the beautiful hilltop village of Alquezar, with its winding streets and the collegiate church of Santa Maria.

Rich in Christian and Moorish history, the region boasts castles and churches from the Reconquista era. We’ll explore cave paintings dating back to 5000 BC and observe griffon vultures up close. Accommodation includes two charming hotels, both with pools and small spas. In Murillo, dine at the hotel’s restaurant with breathtaking cliff views. In Alquezar, savour meals at fabulous local restaurants, all within walking distance.

Take a look through this page for everything you need to know about this inspirational guided walking holiday in the Pyrenees, and when you’re ready, click the Enquire or Book Now, submit some information and let our skilled enquiry team make this holiday a reality.

At a Glance

Dates

3 – 10 May 2026 – SOLD OUT
18 – 25 October 2026
(8 people max)

Price

£1495
Single Supplement – £225

Grade

Moderate
Expect to walk for 4-6 hours each day, with between 480m – 750m ascent and 258-750m descent.

What’s Included

7 Nights Half board (4 nights at 4* Aguas de los Mallos and 3 nights at the 2* Hotel Villa de Alquezar) including bed & breakfast and 3-course dinner (drinks excluded)
5 Guided Walks led by a qualified mountain leader
Packed Lunches each walk day (5 days, but not Day 8)
Wine Tasting and a guided tour of the Bodega Sommos
Entrance Ticket for the Pasarelas
Transport to/from trail heads each walk day
Transfers to/from Zaragoza airport or ‘Delicias’ rail station
Excess Baggage Storage (luggage will be transferred to Hotel Villa de Alquezar for your final two nights)

Lunch on your rest/transfer day (Thursday) and arrival/departure days (Sunday) are not included. 
Spa access at both hotels is optional and costs €20pp (Hotel Aguas de los Mallos) or €30pp (Hotel Villa de Alquezar) per visit.

Travel

This holiday starts and finishes in Zaragoza. We recommend that you fly into either Zaragoza, Barcelona or Madrid Airports.
See example flights here – Zaragoza | Barcelona | Madrid

Our Zaragoza transfers (80 mins, included) then pick up from:

  • Zaragoza Airport and are timed to meet the London Stansted to Zaragoza Ryanair flight, the times of which are as follows :
    Dep. Stansted 06:20, Arr. Zaragoza 09:35
    Dep. Zaragoza 10:10, Arr. Stansted 11:15
  • Zaragoza Delicias train station at 12:00 midday and drops off the following Sunday at 11:45.
    Trains that fit well with our 12:00 inbound transfer are:
    RENFE trains – the traditional rail company
    Dep. Barcelona 9:55, Arr. Zaragoza 11:38
    Dep. Madrid 10:27, Arr. Zaragoza 11:47
    Iryo trains – very similar service to RENFE, website more user-friendly
    Dep. Barcelona 9:50, Arr. Zaragoza 11:13
    Dep. Madrid 9:57, Arr. Zaragoza 11:17
    Trains that fit well with our 11:45 outbound transfer are:
    RENFE train – Dep. Zaragoza 12:52, Arr. Barcelona 14:46
    Iryo trains – Dep. Zaragoza 12:41, Arr. Barcelona 14:14
    RENFE train – Dep. Zaragoza 12:26, Arr. Madrid 13:52
    Please note train times can vary depending on the dates but these train times usually run every Sunday.  If you can’t get to Zaragoza for the 12 midday transfer, let us know and we may be able to pick you up later when we pick people up from the airport.

Itinerary

  • Sunday

    Arrive & Settle in

    Our transfer from. Zaragoza to Murillo de Gállego takes about 90 minutes. After check-in there will be time to relax and settle in before your guide will host a welcome briefing about the week ahead. Dinner will then be taken in the hotel’s restaurant.
    Accommodation: 4* Hotel Aguas de los Mallos

    Hotel Aguas de los Mallos - terrace
  • Monday

    Mallos de Aguero and Punta Comun

    10.5km, 600m ascent/descent
    The cliffs of Mallos de Aguero tower above the village. This circular route takes us on a complete circuit of these fascinating rock formations. Halfway round, we make a side trip to Punta Comun, from the summit we can see north, to the snow-capped peaks of the main Pyrenees range.
    Accommodation: 4* Hotel Aguas de los Mallos

    Young olive grove
  • Tuesday

    Mallos de Riglos

    11.5km, 650m ascent/descent
    Even bigger than yesterday’s cliffs, the Mallos of Riglos are the most famous and most spectacular of the area. A wonderful trail winds us up through the cliffs and then along a ridge above them. Our return route takes us underneath the cliffs and we’ll get sore necks as we gaze up at vultures and climbers above!
    Accommodation: 4* Hotel Aguas de los Mallos

    Mallos de Riglos, a set of conglomerate rock formations in Spain
  • Wednesday

    Sierra de Santa Domingo

    13.6km, 750m ascent/descent
    Our hike today takes us through the narrow rocky valley of Foz de Salinas to the abandoned village of Salinas which once produced salt for the region. A landslip caused the village to be evacuated but we can still visit the church and see the remains of other buildings. Past the village we head to the pass of La Osqueta from which we have tremendous views both south and north. The route makes a loop, and we head back via pine woods.
    Accommodation: 4* Hotel Aguas de los Mallos

    Foz de Salinas
  • Thursday

    Transfer to Alquezar, Vineyard tour of Bodega Sommos

    Today we leave Murillo de Gállego and head to Alquézar which lies in the centre of the Somontano wine region. We’ll visit the spectacular vineyard of Sommos where we’ll have a tour around the vineyard, wine tasting and lunch before heading onto Alquézar. When we arrive in Alquezar there will be time to check in before we do a short walking tour around this fascinating village. Please note: lunch at the vineyard is not included
    Accommodation: 2* Hotel Villa de Alquezar

    Village of Alquezar
  • Friday

    Vero Canyon

    10km, 480m ascent and 258m descent
    After a short transfer to the spectacular viewpoint of La Portiacha – where get great views down into the Vero Canyon – we hike right back to Alquezar, along the way passing three caves with neolithic cave art dating back to more than 5000 BC.  To get to the cave paintings, you will need to go up or down some ladders (which are quite exposed), but this is optional if you would prefer to avoid these. We continue and cross several canyons, the prettiest being the Vero, where we cross the idyllic Puente de Villacantal before the final climb up to Alquezar.
    Accommodation: 2* Hotel Villa de Alquezar

    Vero Canyon
  • Saturday

    Mascun Canyon

    15.5km, 650m ascent/descent
    Today we explore the wonderful rock formations of the Mascun canyon where the river has carved spires and arches. We hike up out of on branch of the canyon to the abandoned village of Otin, beautifully set on a hill on a high plateaux with panoramic views. We then hike back to the edge of the canyon where we get incredible views of the rock spires below us, before a long descent back to the canyon floor. As we hike back along the canyon, we’ll see climbers dangling from overhanging cliffs and arches.
    Accommodation: 2* Hotel Villa de Alquezar

    Mascun
  • Sunday

    Depart

    Expect an early start if flying from Zaragoza – our transfers are designed to get you to the airport in good time for the return Ryanair flight to London Stansted which departs at 1010. Otherwise we also offer a later transfer which drops off at the rail station at 1145.

    Canyon du rio Vero, Alquézar, Espagne

Accommodation

  • Hotel Aguas de los Mallos

    4 Nights – A stylish spa hotel beneath the dramatic Mallos de Riglos, combining modern comfort, standout wellness facilities, and unforgettable views of the glowing red cliffs that define this unique landscape.

    Hotel Aguas de los Mallos exterior
    Overview

    Set in a privileged position facing the iconic Mallos de Riglos, Hotel Aguas de los Mallos is a contemporary retreat where the scenery takes centre stage. The towering conglomerate cliffs glow deep red in the evening light, creating a spectacular backdrop whether you’re relaxing on your balcony or by the pool. With just 27 spacious rooms, the hotel feels intimate yet well-equipped, offering a calm and comfortable base after rewarding days on the trails. Its standout spa and panoramic restaurant elevate the experience further, making this a place to unwind, recharge, and fully appreciate one of northern Spain’s most striking natural landscapes.

    • Location

      Hotel Aguas de los Mallos breakfast

      Located at the foot of the Mallos de Riglos, the hotel offers direct access to walking routes and viewpoints, with peaceful surroundings and uninterrupted views across this dramatic and lesser-visited corner of Aragón.

    • Comfort & Facilities

      Hotel Aguas de los Mallos spa

      Spacious en-suite rooms all feature private balconies or terraces with cliff views. Facilities include a heated outdoor pool, full spa (jacuzzi, sauna, Turkish bath), and optional treatments (payable locally).

    • Food & Drink

      Hotel Aguas de los Mallos restaurant

      Meals are served in the hotel’s panoramic restaurant, where regional dishes are paired with views of the cliffs. Expect hearty, well-prepared cuisine ideal for refuelling after a day in the hills.

  • Hotel Villa de Alquezar

    3 Nights – A characterful hilltop hotel set within a former royal palace, offering sweeping views over Alquézar and the surrounding countryside, with a peaceful atmosphere and a strong sense of place.

    Hotel Villa de Alquezar exterior
    Overview

    Perched at the very top of Alquézar, Hotel Villa de Alquézar occupies a historic former royal palace in one of Aragón’s most beautiful villages. From its elevated position, you can look out across terracotta rooftops to the striking collegiate church and the rugged landscapes beyond. The hotel blends traditional character with modern comfort, creating a relaxing base after days exploring the Sierra de Guara. Bedrooms are spacious and thoughtfully appointed, many with private balconies that make the most of the views. With a small pool for warmer days and easy access to the village’s excellent restaurants, it’s a wonderfully atmospheric place to stay.

    • Location

      Hotel Villa de Alquezar pool

      Set at the highest point of Alquézar, the hotel enjoys a peaceful setting just a short walk from the village centre, with immediate access to walking trails and panoramic viewpoints.

    • Comfort & Facilities

      Hotel Villa de Alquezar spa

      Rooms are generously sized, en-suite, and many feature private balconies with scenic views. Facilities include a small outdoor pool (typically open from May) and a compact spa area (payable locally).

    • Food & Drink

      Hotel Villa de Alquezar breakfast room

      Breakfasts are served at the hotel, while evening meals are taken in a selection of excellent local restaurants. Your final night includes dinner at La Pardina, known for its refined regional cuisine.

Testimonials

Frequently Asked Questions

The Mallos de Riglos are dramatic vertical sandstone cliffs near Riglos in Aragón, Spain, rising over 300 meters above the surrounding plains. Famous for their striking shapes and reddish hues, they offer walkers a unique combination of scenic trails, panoramic views, and wildlife spotting, including griffon vultures and peregrine falcons. Trails in the area are accessible and varied, allowing walkers to explore both the impressive rock formations and the peaceful valleys around them. With its mix of natural beauty, geology, and wildlife, the Mallos de Riglos is a captivating destination for walking and outdoor adventures.

The Sierra de Guara in northern Spain’s Aragón region is famed for its dramatic gorges, rugged cliffs, and scenic canyons, making it a spectacular destination for walkers. Well-marked trails lead through forests, plateaus, and river valleys, offering a mix of moderate walking and breathtaking scenery. The area is rich in wildlife, including griffon vultures and eagles, and dotted with charming villages where walkers can experience local Aragonese culture and cuisine. With its combination of natural beauty, accessible paths, and adventure opportunities, the Sierra de Guara is perfect for an engaging and memorable walking holiday.

Yes, the Mallos de Riglos are an excellent location for walkers. While famous for their sheer cliffs and rock-climbing routes, the area also offers a network of accessible walking trails that wind through the surrounding valleys and foothills, providing stunning views of the towering sandstone formations. Walkers can enjoy a variety of terrain, from gentle valley paths to more undulating routes that give a closer perspective of the cliffs.

Yes – A guided walking holiday in the Pyrenees offers far more than just stunning scenery—it brings the region’s rich history and culture to life. Your guide can share fascinating stories of areas such as the Canyons of the Sierra’s past, from the traditional rural villages and centuries-old farming practices to the geological formation of the towering cliffs. Walking with a knowledgeable guide also ensures you experience the best trails safely, discover hidden viewpoints, and learn about the local flora, fauna, and wildlife, including griffon vultures nesting on the cliffs. With expert insight at every step, a guided holiday allows you to fully immerse yourself in both the natural beauty and the historical richness of this remarkable corner of Aragón.

We grade this trip as moderate because whilst the paths are good and easy to follow, they are generally quite rocky underfoot. There are some short steep sections, of which a couple of them are a bit loose underfoot. To get to the cave paintings, you need to go up or down ladders (which are quite exposed), but this is optional if people would prefer to avoid the ladders. Previous hiking experience, surefootedness, and a good level of fitness are essential.

Why book with Collett’s?

Need to Knows

Itinerary – Please note that while itinerary displayed is is the intended itinerary, the exact programme may differ slightly if trail or weather conditions necessitate.
Booking Conditions
– Please read our full terms and conditions here before booking.
Travel Insurance – Having adequate and valid travel insurance is a condition of booking with us. Details of our insurance partner, Campbell Irvine, are here, should you wish to get a quote.
ETIAS & EES – The European Travel Information and Authorisation System is not due to be introduced until late-2026. Currently there is not an exact date as to when it will come into force. This means you do not need to have a ETIAS for travel to Europe at the moment. The Entry / Exit System started to be operational in October 2025, and be fully implemented in April 2026. For more information read our blog article here.
ABTA – Independent travel advice and help is always available from ABTA by calling 020 3117 0599 or visiting www.abta.com.
Travel Advice – Check your government’s travel advisory for up-to-date information and advice about your destination. For UK citizens, check the latest Foreign, Commonwealth & Development Office advice here.
Health Information – You should carry either an European Health Insurance Card (EHIC) or a Global Health Insurance Card (GHIC) Neither is an alternative to adequate travel insurance. For more information visit https://www.gov.uk/foreign-travel-advice and https://travelhealthpro.org.uk/

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