I’ve stayed at Meliá Barajas Hotel several times. The hotel offers a free airport shuttle, is just minutes from the airport and is located in Barajas which feels like a small Camino Village. If you’re up for it, you can find cafes and restaurants...
Another yes for the pack liner - I like dry gear. Backpacked for years with a trash compactor bag as a liner. With my smaller Camino pack, I carry an Osprey pack liner - basically just a big dry bag. Always seem to have at least a few downpour...
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