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Introduction
Lagoa das Sete Cidades is a magnificent twin lake situated in the crater of a dormant volcano on the Portuguese archipelago of the Azores, specifically on the western third of São Miguel island. This natural wonder consists of two ecologically distinct lakes, known as Lagoa Azul (Blue Lake) and Lagoa Verde (Green Lake), connected by a narrow strait crossed by a bridge. Despite appearing as two separate bodies of water due to their distinct colours, they form a single lake with a total area of approximately 4.3 km² and a maximum depth of 33 metres. The colour difference can be explained by varying depths and algae concentration, with the Blue Lake being deeper than the Green Lake. As the largest freshwater resource in the Azores, Lagoa das Sete Cidades was formed during a volcanic eruption in 1445 and is located about 25 km (a 40-minute drive) from Ponta Delgada, the largest city on the island. This natural landmark was recognised as one of Portugal's Seven Natural Wonders in 2010.
Activities and Attractions
Viewpoints
The panoramic vistas overlooking Sete Cidades are arguably the most compelling reason to visit this natural wonder. Several viewpoints provide spectacular perspectives of the crater lakes:
- Miradouro da Boca do Inferno offers perhaps the most stunning panoramic view of Sete Cidades. This viewpoint provides a magnificent vista of the blue and green lakes surrounded by lush vegetation.
- Vista do Rei is another royal viewpoint on the crater rim, offering sweeping views of the volcanic landscape below.
- Miradouro da Lagoa de Santiago allows visitors to admire the smaller Santiago Lake, which is surrounded by steep slopes and lush Macaronesian forests.
Hiking Trails
Sete Cidades is a paradise for hikers, with numerous trails offering different perspectives of this volcanic wonder.
PR4 Mata do Canário
This 11.7 km trail is one of the most scenic hikes in São Miguel. Starting at the parking lot near the M280 road, it follows the northern rim of the Sete Cidades crater from east to west.
Key features:
- Duration: Approximately 3-3.5 hours
- Difficulty: Moderate
- Highlights: Stunning views of the lakes, rolling green hills, and coastal vistas
- Seasonal beauty: Parts of the trail are lined with blooming hydrangeas in summer
- Endpoint: The village of Sete Cidades, finishing at the church
Tips:
- Consider taking a taxi to the trailhead, as the hike ends in the village
- Best completed on clear days for optimal views
Caldeira das Sete Cidades Loop
This circular route offers a comprehensive exploration of the crater rim.
Key features:
- Distance: Approximately 12.4 km
- Duration: About 6 hours
- Difficulty: Medium to hard
- Elevation gain: 400 metres
- Starting point: Lagoa do Canário parking area
Highlights:
- Complete circuit of the crater rim
- Diverse perspectives of the lakes and surrounding landscape
- Challenging sections that offer a sense of accomplishment
PR3 Vista do Rei
This trail begins at the famous Vista do Rei viewpoint and descends into the crater.
Key features:
- Distance: 7.7 km
- Duration: About 2 hours
- Difficulty: Easy to moderate
- Direction: Mostly downhill
Highlights:
- Panoramic views of the Green and Blue lakes
- Ends in Sete Cidades village
- Can be combined with PR4 for a longer, more comprehensive hike
Miradouro da Boca do Inferno Hike
A shorter but rewarding hike to one of the most spectacular viewpoints.
Key features:
- Distance: 2.5 km round trip
- Duration: 40-50 minutes
- Difficulty: Moderate, with a steep section near the end
Highlights:
- Breathtaking panoramic view of Sete Cidades
- Passes by the picturesque Lagoa do Canário
Tips:
- Visit early morning or evening to avoid crowds
- Wear proper footwear for the muddy, steep final section
Extended Caldeira das Sete Cidades Hike
For more adventurous hikers, this extended version includes a visit to the Monte Palace Hotel ruins.
Key features:
- Distance: 21 km
- Duration: 4.5 hours
- Elevation gain: Over 600 metres
- Difficulty: Moderate
Highlights:
- Circular hike around the entire caldera
- Exploration of the atmospheric Monte Palace Hotel ruins
- Detour to the tranquil Lagoa de Canario
Sete Cidades Crater Interior Walk
This easier walk explores the crater floor and lakes.
Key features:
- Mostly flat terrain around the lakes
- Opportunity to see the famous bridge separating Lagoa Azul and Lagoa Verde
- Chance to explore the quaint village of Sete Cidades
Tips for all hikes:
- Start early to avoid midday heat and crowds
- Check weather conditions and use the webcam to ensure clear views
- Bring plenty of water, sun protection, and a windbreaker
- Consider using hiking poles for steeper sections
- Some trails can be muddy, so waterproof hiking boots are recommended
Lagoa das Sete Cidades offers hiking experiences for all levels, from casual walkers to experienced trekkers. Each trail provides unique perspectives of this volcanic wonder, allowing visitors to immerse themselves in the natural beauty of the Azores.
Water Activities
The tranquil waters of Lagoa das Sete Cidades offer excellent opportunities for various water activities:
Kayaking
One of the most enjoyable activities at Lagoa das Sete Cidades is kayaking on the lake. Paddle under the bridge connecting the blue and green lakes for a unique perspective of this natural wonder. Kayak rentals are available at the shore of Lagoa Azul.
Paddleboarding
For the more adventurous, paddleboarding on the clear waters of the lake provides an extraordinary experience. Some visitors even practise yoga poses on their paddleboards, with the serene lake waters and surrounding crater walls creating a perfect backdrop.
Cycling
The area around Sete Cidades offers excellent cycling opportunities. Visitors can rent bicycles at shops near Lagoa Azul and explore the numerous dirt paths around the lakes. Guided cycling tours are available, or visitors can explore independently, enjoying the peaceful surroundings and spectacular views at their own pace.
Monte Palace Hotel Ruins
Near the Sete Cidades area, visitors can explore the atmospheric ruins of the Monte Palace Hotel. This abandoned structure offers a hauntingly beautiful contrast to the natural splendour of the surrounding landscape and provides another unique perspective of the crater lakes.
Thermal Baths at Ferraria
After a day of hiking and exploration around Sete Cidades, visitors can relax in the natural thermal pools at Ferraria on the west coast. These unique pools allow bathers to enjoy warm volcanic waters where they meet the Atlantic Ocean—a perfect way to soothe tired muscles after a day of adventure.
Getting There and Around
To reach the enchanting Lagoa das Sete Cidades, make your way to the western third of São Miguel Island in the Azores. The lake is located approximately 25km from Ponta Delgada, the island's largest city, which takes about 40 minutes by car. The most convenient option is hiring a car and following the EN1-1A road along the south coast, then taking the EN9-1A when you see signs for Sete Cidades, which will lead you directly to the village beside the twin lakes. If you prefer not to drive, public buses depart daily from Ponta Delgada, though they take longer as they stop at all villages along the route. Alternatively, you could take a taxi, join a guided tour for additional insights about the island, or even rent a bicycle if you're up for a challenging ride. Once there, don't miss the spectacular Miradouro da Vista do Rei (King's View) viewpoint, which offers the most iconic panorama of the blue and green lakes nestled in the dormant volcano's crater.
Best Time to Visit
Best Season
Summer (July-August) is widely considered the optimal time to visit Lagoa das Sete Cidades. This period coincides with the famous Hydrangeas season, when the typically blue flowers reach full bloom, creating stunning natural walls along the roads leading to Sete Cidades. The summer months also offer the most reliable weather for enjoying outdoor activities around the lakes.
If you prefer to avoid crowds, consider visiting outside the peak tourist season. However, do note that summer provides the best conditions for kayaking, paddleboarding, and hiking around the lakes.
Best Time of Day
For the most peaceful experience, early morning is ideal for visiting Lagoa das Sete Cidades. The popular viewpoints, especially Miradouro da Vista do Rei, become quite busy from late morning to noon when most tour groups and day-trippers arrive from Ponta Delgada.
Alternatively, visiting during sunset can reward you with spectacular views if the weather cooperates. Lunchtime can also be relatively quiet as most visitors are occupied with their meals, making it perfect for a lakeside picnic.
Weather Considerations
It's crucial to visit Sete Cidades on a sunny day. Due to the altitude of the viewpoints, cloudy weather can completely obscure the magnificent views of the twin lakes. The clear weather also enhances the distinct blue and green colours of the lakes, making your photographs more vibrant.
If you're planning activities on the water, such as kayaking or paddleboarding, a calm, sunny day will provide the best conditions. Visitors have reported that sunny mornings in months like October can also be suitable for these activities.