The Silent Beacons That Guided Ships Home – Pokies of Raahe
Long before lighthouses flashed across the dark sea, sailors approaching Raahe searched the horizon for something else.
A shape.
A colour.
A familiar silhouette standing above the islands.
These were the pookis.
They had no light.
They did not flash, ring or sound a warning.
And yet for generations of sailors, they showed the way home.
Beacons Without Light
A pooki was a daymark – a fixed navigational landmark built high enough to be seen from the sea.
In Finland they were known as tunnusmajakat, literally identifying beacons.
Their purpose was simple but vital.
A captain approaching the coast needed to know exactly where he was.
The shoreline of the Bothnian Bay is low, broken by islands, shallows, reefs and shifting channels. Around Raahe, land uplift continually changed the coastal landscape, while submerged shoals and rocks made navigation hazardous even for experienced sailors.
Before modern navigation systems, the landscape itself became the chart.
A church tower.
An island.
A rock.
And a pooki rising above the trees.
By knowing how these landmarks aligned with one another, sailors could find the safe channels through the archipelago.
By the late eighteenth century, many of the approaches to ports along the Gulf of Bothnia were already marked by pookis. In the waters around Raahe, navigational marks were known at Tasku, Kello, Iso-Kraaseli and Kumpeli.
They became some of the most important sea marks of the sailing-ship era.
Every Pooki Had to Look Different
There was no universal design for a pooki.
In fact, that would have defeated the purpose.
A sailor had to recognise the correct beacon from far out at sea.
So pookis were deliberately given different shapes, colours and topmarks.
Some resembled towers.
Others tapered like cones or pyramids.
One might carry a cross.
Another a flagstaff.
Another a weather vane.
Colour mattered too.
White surfaces stood out against dark forest. Darker or coloured surfaces could be more visible against open sky and sea. Strong contrasts helped the structures remain recognisable as the light and weather changed.
Around Raahe, the differences were unmistakable.
Iso-Kraaseli rose tall and narrow, partly white and partly red.
Tasku was broader and more pyramid-like, traditionally painted yellow and crowned by a cross.
Kumpele had its own recognisable form and a weather vane at the top.
To us, they may look like unusual wooden towers.
To a nineteenth-century captain, each shape meant something.
Tasku – The Northern Way In
Tasku has guided sailors toward Raahe for centuries.
The first pooki on the island was probably built soon after the founding of Raahe in 1649, making Tasku one of the oldest known navigational-mark sites in the area. The present pooki was built in 1853 to plans by Albin Stjerncreutz, head of the Ostrobothnian maritime district.
Tasku marked the northern approach to the town.
Ships approaching from that direction could use it to enter the channel and then sail onward toward Iso-Kraaseli, where Raahe’s pilot station was located.
The present wooden pooki rises about 16.5 metres from the ground and 19.2 metres above sea level.
Its square tower narrows towards the top beneath a pyramid-shaped roof, crowned by a white cross.
For much of its history it was painted yellow.
Against the low island and the northern sky, there could be little confusion about which beacon a sailor was seeing.
Iso-Kraaseli – Gateway to the Pilot Station
The pooki at Iso-Kraaseli was built in 1852, also to the designs of Albin Stjerncreutz.
It is taller than Tasku’s: approximately 18 metres from the ground and 25 metres above sea level.
Its seaward-facing walls are white while other surfaces are red, making the tower visible and identifiable from different directions.
But Iso-Kraaseli was more than a beacon.
The island was also home to Raahe’s pilot station.
According to an 1865 sailing guide, a senior pilot and three pilots were stationed there, holding the navigation instructions for all three approaches into Raahe.
For a merchant ship approaching the archipelago, reaching Iso-Kraaseli meant reaching the hands of men who knew these waters intimately.
And there was another ingenious navigational aid.
The Iso-Kraaseli pooki and the tower of Raahe’s old church formed an alignment for one of the central approaches into the harbour.
A captain could watch the two landmarks move into line.
When they did, the ship was where it needed to be.
The wooden world of the coast had become a navigation system.
Kumpele – The Pooki That Disappeared
Not all of Raahe’s pookis survived.
The pooki on Kumpele was built in 1790.
For generations it stood as another recognisable mark in the network guiding ships through the waters outside Raahe.
Its topmark was a weather vane, distinguishing it from the cross of Tasku and the signalling mast of Iso-Kraaseli.
Then, on 5 February 1961, the Kumpele pooki burned completely to its foundation stones.
It was never rebuilt.
Today it survives in records, photographs and memory – a reminder that these wooden sea marks were never permanent monuments.
They stood in some of the most exposed places imaginable.
Wind.
Salt.
Ice.
Storms.
Lightning.
Fire.
Everything about their construction had to resist the sea.
And still, some were lost.
Built for the Sea
Pookis may appear slender from a distance, but their construction was anything but fragile.
They were built to withstand storms and the relentless winds of the open coast.
Many were anchored by heavy timber structures filled with natural stones. Their tapering forms reduced wind pressure. A central timber could run the entire height of the structure, with the rest of the frame built around it.
Tasku and Iso-Kraaseli demonstrate two different solutions to the same challenge.
Be visible.
Be unmistakable.
And stay standing.
For decades.
In all weather.
Reading the Coast
To understand the importance of the pookis, it helps to forget everything we now take for granted.
There was no GPS.
No electronic chart plotter.
No illuminated channel markers stretching towards the harbour.
A sailing ship approaching Raahe relied on wind, charts, experience, pilots – and what could be seen.
The pookis turned the islands into a language.
One beacon told a captain where he was.
Another showed which direction to take.
A church tower completed the line.
A pilot waiting on Iso-Kraaseli knew the channels ahead.
Navigation was not about following a glowing line on a screen.
It was about reading the horizon.
When the Pookis Led Ships Home
Raahe became a significant merchant and shipbuilding town, and its connection to the sea shaped the fortunes of generations.
Every ship leaving the harbour had to pass through this archipelago.
And every ship returning from distant waters had to find its way through it again.
The pookis therefore stood at the threshold between two worlds.
On one side was the open sea.
On the other was home.
A merchant ship returning from abroad might have been away for months.
Sometimes longer.
Its crew had crossed seas and visited ports far beyond the Bothnian Bay.
Then, eventually, the familiar coast appeared.
Perhaps first as a faint line.
Then an island.
And finally a pooki whose shape they knew.
Tasku.
Iso-Kraaseli.
Kumpele.
The journey was not yet over.
But home was close.
A White Flag Above the Pooki
The pookis also had another role.
They could carry signals.
At Iso-Kraaseli, the central timber continued through the roof to form a tall signalling mast above the beacon.
And in old Raahe, the sight of a returning ship could set something very different in motion.
When it was recognised that one of the town’s own ships was coming home, a white flag – a flagu – was raised.
People in town could see the signal.
A ship was returning.
What that white flag meant to the merchants, families, crews and townspeople of Raahe is a story of its own.
And we will tell it separately.
Because when the flag rose above the pooki, navigation was no longer the only thing that mattered.
Homecoming had begun.
When Light Replaced the Pookis
During the nineteenth century, lighthouse technology developed quickly.
Illuminated lighthouses and later modern navigation aids gradually replaced the practical role of wooden daymarks.
By the beginning of the twentieth century, damaged pookis were often no longer rebuilt.
Their maritime function faded.
But their meaning did not.
Only a small number of eighteenth- and nineteenth-century wooden pookis survive along Finland’s Bothnian Bay coast today, and the remaining structures are considered valuable parts of Finland’s maritime architectural heritage.
Two of Raahe’s great pookis are still standing.
Tasku.
Iso-Kraaseli.
Kumpele is gone.
The Pookis Are Still There
Today, no captain needs the pookis to find Raahe harbour.
But you can still follow the old route.
In summer, boats carry visitors through the Raahe archipelago to Tasku and Iso-Kraaseli.
In winter, when the Bothnian Bay freezes and conditions allow, the landscape changes completely.
The sea becomes a road.
People ski, walk, cycle or travel across the ice towards the islands and the old pookis.
The experience is different from that of a nineteenth-century sailor.
But there is a moment when the connection becomes surprisingly easy to understand.
Far ahead, above the low islands, a familiar shape begins to rise against the sky.
You can see it long before you reach it.
And suddenly the purpose of the pooki becomes obvious.
It was built to be seen.
It was built to be recognised.
It was built to show the way.
For generations of sailors approaching Raahe, that way led home.

