Contact this gal in Laos & she should be able to get you across @ Mukdahan.
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Anna does a lot of bike tour permits for S Laos.
The only issue at Muk may whether you still need permission from the Mukdahan governor to exit, however I understand there has been a change of governors.
BTW if it was me I'd be inclined to try & bluff my way out of Thailand.
Just say you're going to Laos & want the paperwork to exit, you can sort it out on the other side, the Laos side.
They tried saying no cannot go @ Nakhon Phanom twice, but I convinced them to let me go & it couldn't be easier entering @ Tha Khek.
For Muk I have never tried because you needed the Muk governor to sign off on the papers.
But I've ridden across all the bridges, even from Savan to Mukdahan 3 times, when they say you cannot. Patience & the "gift of the gab" sweet talk, in Thai, holding your ground helps.
Finally back & settled in after a 20 day meander - Chiang Khong - Chiang Mai - Nakhon Phanom - Savannakhet & return. Ex Chiang Khong 1st July & return to Chiang Khong 20 July. Total 20 days. Round trip 3,276 kms. The way Chiang Khong - Chiang Saen - Mae Chan - Tha Ton - Chiang Mai. Route 1290...
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There's an interesting story - 2013 - here for crossing at Mukdahan - Savannakhet
Hi, was in Savannakhet/Laos last week on my bike. To cross the friendship bridge was a bit difficult, because not allowed for motorbikes. My bike is in Thailand on temporary import with german plate. Overstay was just 2 months so the fine was 2000THB (like usual :shh:) and no problem. But to...
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