Demilitarized Zone (DMZ)
From 1954 until the defeat of the Americans in 1975, Ben Hai river marked the division of
Vietnam. 5km either side of the river was declared a DMZ - a stark contrast to what really
took place in this region. In fact, the surrounding region experienced some of the heaviest
fighting during the Vietnam War. Some areas, such as Vinh Moc were termed Free Fire
Zones, allowing a virtual free for all without fear of future repercussions and everything was
designated a target. As a result of this heavy fighting, there is still heaps live ordnance lying
around. There have been some casualties as unexploded bombs blow up when farmers are
working on their lands nearby or children run up in a play. Khe Sanh, in particular, was
immortalized during and after the conflict. Now when you catch the train or bus from
anywhere South of Dong Hoi to the DMZ, bomb damage and craters are still evident in
paddies, beside the railway tracks and beside the roads and bridges. As you get closer to
Dong Ha you will notice huge eucalyptus groves, themselves a legacy of the war. These
areas were completely devastated either by relentless shelling or defoliation during the war
and were eventually replanted with eucalyptus trees, chosen for their durability and speedy
maturity.

Dong Hoi - Phong Nha
Dong Hoi is the closest town from where you can visit the impressive Phong Nha Cave.
Although there is little else to see in the area, there are some nice beaches that can be
visited on the other side of the river.
The main attraction of Dong Hoi is a trip to the Phong Nha Cave. This spectacular cave was
used by the Northern Vietnamese as a field hospital during the war and it has the scars to
prove it. The front face is pockmarked from attempts to lob bombs into the
entrance by US helicopters, in the hope of collapsing the entrance. Fortunately their
attempts were all unsuccessful as the cave makes for a fascinating visit.

Phong Nha cave is explored mainly by boat, though there are a couple of raised areas
where your guide will walk you around and explain the various points of interest. The cave
was not officially surveyed until 1990, however, the cave walls show evidence of it being a
popular place to visit for quite some time.
The tour consists of a boat trip to the cave entrance taking around 45 minutes, then an
hour drifting through the cave guided by a couple of gas lanterns. It is an eerie feeling as all
you can hear is the gas lanterns hissing away, and the water dripping as you slowly drift
from chamber to chamber. The cave is over 7km long but the tour only visits the first 800m
or so. There have been some enterprising travelers who have managed to bargain a few
more hundred meters for the guide, and it is apparently well worth the expense.

Dong Ha
At first glance Dong Ha, the chief town of Quang Tri Province, appears to be little more than
another drab roadside town, and during the rainy season it could almost be mistaken for the
most miserable place on earth. However, once you get off the main road and go wandering
it is quite enchanting, and you can return very quickly to the attractive life of rural Vietnam.
Dong ha is the most central town to the Demilitarized Zone (DMZ) and the tunnels of Vinh
Moc, and because of this, during the Vietnam War the UIS built many military bases around
the town.

Skeleton of a church
In between Hue and Dong Ha is a dilapidated Catholic Church that was the site of a fierce
and bloody battle between American troops and the Viet Cong. The Americans had sought
refugee within the church walls, but this was to no avail. The Church has been left standing
in its bullet ridden state as a reminder of the war, and to this day retains an eerie feeling
within the sanctuary.

Bridge over Ben Hai River
Ben Hai River was the original demarcation point between North and South Vietnam from
1954 to 1975 and is crossed by the Hien Luong Bridge. The bridge was once symbolically
painted in red on the north side and yellow on the southern end, but this ended with the
destruction of the bridge during the Vietnam War. In 1973 two flagpoles were constructed,
one at each side of the bridge, but the southern one fell over during a storm and was never
repaired. On the north side of the Ben Hai rover there is a memorial and an awful lot of
water buffaloes, along with a scenic view down the Ben Hai river.

Truong Son National Cemetery
The cemetery is situated 17 km south of the Ben Hai River and is so large it can only be
described as impressive. Not so impressive is the deaths that created a need of such a
place. The endless rows of white tombstones are a memorial to the tens of thousands of
NVA (Northern Vietnam Army) soldiers and other military personnel killed in and around the
Truong Son Mountains.

Vinh Moc tunnels
The Vinh Moc tunnels are situated 19 km north of the Ben Hai river. Faced with incessant
bombing by US and ARVN forces, in what was termed a free fire zone, the villagers at Vinh
Moc were faced with three options. One was to leave their homes and livelihood, two was to
stay in their homes and probably be killed, or three was to start digging. They took the third
option and embarked on an excavation project, taking 18 months to complete, that would
eventually relocate the entire village underground. Similar tunnels were attempted at nearby
villages, who were also in the free fire zone, however they were not of the same standard.
At Vinh Quang, as a result of bombing by US forces, the tunnels collapsed, killing all inside.
The US forces were never able to replicated their efforts at Vinh Moc with only one of the
most feared drilling bombs hitting the target without exploding. These bombs drill into the
earth until they hit a pocket of air making them explode. The resourceful villagers used the
hole created by the bomb as an air vent.
Unlike the tunnels at Cu Chi that were made for fighting in, these tunnels were designed to
be lived in. This, the tunnels are considerably larger, though a foreigner will still find some
of the corners quite tight and the roof low in places. There are 3 levels of tunnels with the
lowest going to a depth of 30m, 12 entrances with 7 opening up to the ocean, and in total
the tunnels cover over 2 square km. The living quarters often consisted of a family having
to squeeze into a chamber with dimensions around two by one and a half meters dug out
form the main corridor. Some of the chambers are reasonably spacious such as the
meeting widens slightly allowing a considerable number of people to congregate to hold
meetings or listen to concerts. During the war time, most of the children, women and elderly
never saw daylight, only rarely being allowed to leave the tunnels under the cover of night
and 17 children were born underground.
The tunnels you will be taken through have been partially restored and reinforced so do not
worry about them collapsing, though spare a thought for those who sat in these tunnels as
the bombs rained down. It was the very claylike consistency of the soil in the
area of Vinh Moc which allowed these tunnels to be made, so do not try it at home. In
periods of heavy rain, the lower tunnels may be flooded with the higher tunnels filling with
puddles and the stairs getting slippery. Make sure you take a torch with you.
Next to the tunnels is a museum with an emotional display of memorabilia. Take special note
of the before and after photos of Vinh Moc and the stories about the Suicide Squads.
These volunteers were responsible for ferrying supplies out to the offshore Con Co islands
whilst under the constant risk of being spotted and killed by US helicopters specially
stationed to sever those supply lines.




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