Basin of three rivers: Motława, Old Radunia and Black Łacha

Made in 1792 by James Jentzna, was founded by the mayor of the Dziewiec Wlok. Belfry is a wooden structure, covered with boards. Semicircular gate openings have double doors. Floor is covered with a hipped roof surmounted by a spire. Belfry is in place does not exist Gothic church and adjacent to the cemetery. By decision of 27 October 1973 entered the bell tower as a monument. The building was renovated in 2006.

Attraction and landmark historic house is an arcade of 1792. It's best known historic property within the municipality. The pride of the house are three main peaks filled with rich skeletal little bricks, so. Dutch style. Its canopy is supported by seven pillars. Baroque entrance hall leads to the door. The interior layout, with minor changes, is original. Another decorative element are two huge chestnut trees on both sides of the arcades.

In the late 90-ies of XX century, in the center of Koszwały, the site of the former Lutheran church stood a sacred object stylized Gothic features. On the outer walls of the church created lapidary 5 historic gravestones that were accidentally discovered in 1998 Boards of the seventeenth and eighteenth centuries were then placed in the floor of the Lutheran church, the vaults wealthiest farmers. For each of them there is a plaque indicating the family to which they belonged record who rests in the crypt, and when he died.

The half-timbered house was built in 1731. The arcade was supported by eight pillars supporting the floor with decorative half-timbered elevation, giving it characteristic features of buildings belonging to settler olęders. The number of pillars in the arcade could range from four to even nine pieces, indicating the wealth of the owner, specifically the area of land owned counted in włóki. Above the door to the hall, the initials of the owners and the year of construction were carved. In the hall, you can see a decorative, wooden gallery that leads to the rooms upstairs. At the beginning of the 19th century, the wooden walls of the house were replaced with brick walls, filled with small bricks (so-called "holenderka"), and plastered. The renovated monument is part of a series of activities aimed at revitalizing the Mennonite Trail, running from Gdańsk through the Vistula Delta.

Former inhabitants in Koszwały were wealthy people. One of the manifestations of their wealth, the houses are arcaded stone tombstones from the XVI - XVIII centuries. Once they covered the inside of the richest tombs host family in the village. These plates proved no less than those at the same time ordered for themselves middle-class burghers of Gdańsk. Differs from it only those that placed the family coat of arms instead of their characters on the ownership of their farms or decorative initials. At the turn of the seventeenth and eighteenth centuries for health reasons abandoned burial of the dead in their tombs inside the church. Probably non-existent during the renovation of the church in Koszwały found in the crypts and tombstones buried moved outside the temple. They were rediscovered in 1998 during the construction of the new church, and then subjected to maintenance and reconstruction.

Name of the village comes from the stocky - dry eminence rising above the marshes. One of the oldest information from Krępca 1338 years. In the fifteenth century, in the village there was a property belonging to the Hospital of St. Gdansk. Elizabeth and Bridgettine order. Since the second half of the sixteenth century village residents lived outside the native Dutch settlers, mostly Mennonites, brought here for the rehabilitation of land after violent floods. After the formation of the Free City of Danzig, the village both in summer and winter was famous as a place of rest for Sunday Gdansk residents and tourists. After the river regularly sailed a small boat trip, sailed ferry, you can hire rowing boats, while winter visitors went ice skating on the river. In the village you can see mnemonic arcaded houses and farms. In Krępiec The river Motława combined, with the largest of its tributaries, the Old Radunia, and lower Black River Lach. For this reason, this place is popular among anglers. Through the village run three trails: Mennonite Road, Trail Motława and Trail Canoe.

Marina Sailing in Błotnik is part of the Great Loop Marshland that leads from Gdansk through Błotnk to Biała Góra, Malbork, Elblag, ports of the Vistula and the Szkarpawa and Przegalina to Blotnik. The official opening of the marina was on June 4th 2012. Marina is located at the beginning of the Dead Vistula River. Club house is on stilts over the water. On the shore is a large car park and children on boats that can overwinter here. Berth yacht for long bridges have supply of drinking water and electricity. Before the launch of the sailing season in 2013 is expected to be open 23-foot observation tower Żuławskie eye. From the tower, you will see the Baltic beaches on the island Sobieszewska, the mouth of the Vistula River and the Marshland and infrastructure drainage and drainage channels.