Grande Rota do Zêzere

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Grande Rota do Zêzere: GR33 Source-to-Mouth Hiking Guide

Published 17 July 2025 Updated 1 July 2026
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Ranked #257 of 974
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HikeList Score

Grande Rota do Zêzere scored 85/100 on HikeList's trail-quality metrics.

85
Great Hike
See score breakdownHide breakdown
  • Ideal length 86
  • Balanced challenge 80
  • Scenery & wildness 88
  • Varied terrain 94
  • Accommodation 83
  • Food & support 81
  • Path quality 80
  • Season flexibility 76

Computed from length, challenge, scenery & wildness, terrain variety, accommodation, food & support, path quality and season flexibility.

The Grande Rota do Zêzere (GR33) is a 370 km waymarked point-to-point trail in central Portugal, following the Zêzere River from Covão d'Ametade in the Serra da Estrela to Constância on the Tagus. Allow 14-15 days for a continuous walk. It is hard: not technical, but long, hilly, exposed in places and remote between some schist villages. It suits fit hikers who want a river-source-to-mouth thru-hike with village stays, reservoirs and mixed dirt, gravel and paved surfaces.

Route Overview

Walked source-to-mouth, the GR33 starts at Covão d'Ametade in the Vale Glaciário do Zêzere near Manteigas and runs downstream through Valhelhas, the Cova da Beira, Fundao, Janeiro de Cima, Janeiro de Baixo, Barroca, Alvaro, Oleiros, Pedrogao Pequeno/Pedrogao Grande, Figueiro dos Vinhos, Dornes, Ferreira do Zêzere and the Abrantes area before finishing at Constância. It is linear, but can be broken at riverside villages and at the 13 Intermodal Stations, which support walking, mountain biking and some canoe sections. Expect footpaths, forest and dirt tracks, schist-village lanes, cobbles, quiet roads and reservoir-side walking. Comparing Portugal routes? See the coastal Fishermen’s Trail, the Caminho Português or Peneda-Gerês National Park Trails.

Zêzere Valley History

The Zêzere valley has been shaped by riverside settlement, schist villages built from local stone, mills, weirs, mining in the Cova da Beira and later hydro-electric dams. The Castelo do Bode Dam was built between 1945 and 1951, creating the long lower-Zêzere reservoir followed by the route. The Grande Rota do Zêzere is a modern waymarked GR developed through the Aldeias do Xisto programme and Central Portugal region to link the river’s source, villages, reservoirs and Tagus confluence.

Notable highlights

  • Covão d'Ametade and the Zêzere glacial valley: The source-end set-piece is a U-shaped glacial valley floor in the Serra da Estrela, ringed by the Cântaros and birch woodland. It is part of the Estrela UNESCO Global Geopark.
  • Poço do Inferno waterfall: A roughly 10 m waterfall on the Ribeira de Leandres near Manteigas, close to the upper Zêzere stages. It is a useful side focus in the Serra da Estrela section.
  • The Schist Villages (Aldeias do Xisto): The GR33 passes dark-stone villages including Janeiro de Cima, Janeiro de Baixo, Barroca, Alvaro and Agua Formosa. These villages are a core cultural theme of the trail.
  • Castelo de Bode reservoir and Dornes: The later sectors follow the large lower-Zêzere reservoir created by Castelo do Bode Dam. Dornes sits on a peninsula above the water and is known for its Templar-era pentagonal tower.
  • Constância and the Tagus confluence: The finish is the historic riverside town where the Zêzere meets the Tagus. It gives the route a clear source-to-mouth ending.

Challenges to expect

The difficulty is mainly cumulative: 370 km, repeated ascent and descent along a deeply incised river valley, and some remote schist-village sectors. Waymarking follows GR white-and-red stripes, but you should still carry maps or GPS for long days and road/reservoir transitions. July-August can be very hot and exposed in lower sectors; winter can bring snow in the Serra da Estrela source area. Accommodation is village-based, not a refuge system.

Country
Distance
370 kilometres
Duration
14-15 days
Difficulty rating
Hard
Trail type
Point to point
Highest point altitude
1400 metres
When to hike
Best months: Mar–May & Oct–Nov
Climate: NASA POWER · location © OpenStreetMap
Show more data Show less
Permits & Fees
No permits or fees
Terrain & Landscape
  • River Valley
  • Mountains
  • Forest
  • Hills
Trail surface
  • Dirt
  • Gravel
  • Paved
Accommodation
  • Guesthouses
  • Hotels
  • Campsites
Average daytime temperature
20°C
Chance of rainfall
Medium
Estimated cost
$$
Optimal hiking season
Spring
March to May
Autumn
September to November
Accessibility
  • Family Friendly
  • Pet Friendly
Facilities
  • Water Sources
  • Campsites
  • Picnic Areas

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Photos from hikers

Taken on the trail by people who've reviewed Grande Rota do Zêzere.

Day 1
Serra da Estrela Source to Manteigas
Approx. 21km

Begin your hike at the wild, windswept source of the Zêzere River in the Serra da Estrela mountains. Follow the glacial valley down through alpine meadows and dramatic rocky landscapes before descending into the charming town of Manteigas. Expect steep downhills, breathtaking scenery, and your first experience of the river valley ecosystem.

Day 2
Manteigas to Valhelhas
Approx. 25km

Leave Manteigas and travel deeper into the Zêzere valley, passing through forests of pine and oak. The terrain becomes a mix of undulating trails, providing views of the river. Arrive at the small historic village of Valhelhas, partly bordered by medieval defensive walls.

Day 3
Valhelhas to Belmonte
Approx. 22km

From Valhelhas, follow country paths and quiet lanes toward Belmonte. This section offers a combination of open farmland, woodlands, and riverbank walking. Arrive in Belmonte, a town rich in Jewish heritage and home to a medieval castle.

Day 4
Belmonte to Barroca
Approx. 24km

Departing Belmonte, the trail heads southeast along forested sections and rolling hills toward the schist village of Barroca. Along the way, you’ll pass traditional farming hamlets, historic watermills, and tranquil riverbanks.

Day 5
Barroca to Janeiro de Baixo
Approx. 23km

Start your day in the artistic Barroca village, making your way south through dense woodland, rocky ascents, and riverside paths. Finish in Janeiro de Baixo, a picturesque riverside community famed for its traditional architecture.

Day 6
Janeiro de Baixo to Pampilhosa da Serra
Approx. 26km

Travel along a mix of dirt trails and gravel roads, weaving through oak forest and isolated valleys. This day features gentle climbs and panoramic views of the surrounding mountains, with the day ending in the welcoming town of Pampilhosa da Serra.

Day 7
Pampilhosa da Serra to Cabril
Approx. 24km

Begin with rolling terrain that includes forest clearings and long stretches along the Zêzere River. Reach the small town of Cabril, known for its proximity to river beaches and tranquil natural settings.

Day 8
Cabril to Pedrógão Pequeno
Approx. 25km

Follow the Zêzere as it widens into reservoir lakes, crossing historic bridges and meandering through shaded pine forests. End your day in Pedrógão Pequeno, an old hilltop village with stunning views and heritage buildings.

Day 9
Pedrógão Pequeno to Aldeia do Mato
Approx. 27km

This day features waterside trails along the river and reservoirs, with several sections passing through eucalyptus woodlands and small villages. Arrive at Aldeia do Mato, close to one of the region’s largest and most scenic reservoirs.

Day 10
Aldeia do Mato to Ferreira do Zêzere
Approx. 24km

Head south along rolling countryside and through a mix of farmland and woodlands, navigating around the reservoir’s arms and coves. End the stage in the lively riverside town of Ferreira do Zêzere.

Day 11
Ferreira do Zêzere to Dornes
Approx. 19km

Trek toward Dornes, a magical peninsula village known for its medieval watchtower and breathtaking river views. The route alternates between riverside paths and gentle climbs with rewarding vistas across the water.

Day 12
Dornes to Penedo Furado
Approx. 26km

Follow winding trails through picturesque countryside and riverine woodlands until reaching Penedo Furado, famed for its unique rock formations and popular river pools.

Day 13
Penedo Furado to Vila de Rei
Approx. 19km

Start from the scenic natural pools at Penedo Furado and walk through varied terrain, including stretches of pine and cork oak forest. Finish at Vila de Rei, the geographical center of Portugal.

Day 14
Vila de Rei to Constância
Approx. 25km

Continue southeast through rural countryside and patches of woodland, following the final stretch of the Zêzere River until joining the Tagus at Constância. Here you’ll find whitewashed houses and the vibrant confluence of two great Portuguese rivers.

Day 15
Constância Exploration and Rest
Approx. 10km

Spend your final day exploring Constância, a town known for its riverside beauty, poetic history, and welcoming cafes. This rest day offers a chance to reflect on your journey or visit local landmarks before departure.

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