Vi skriver i hytteprotokollen når vi kommer.

It is a compound noun:

• hytte = cabin
• protokoll = register, logbook, record book
• -en = the

So hytteprotokollen means the cabin logbook/register.

In context, this is usually the book where visitors write their names, date, or other information when they arrive at a cabin.

Because Norwegian usually writes compound nouns as one word.

So where English often uses two words, Norwegian often combines them:

• hytte + protokoll → hytteprotokoll

This is very common in Norwegian. The last part is the main noun, and the first part describes it.

In Norwegian, the definite article is usually attached to the end of the noun.

So:

• en protokoll = a logbook
• protokollen = the logbook

With a compound noun, the definite ending goes on the whole word:

• en hytteprotokoll = a cabin logbook
• hytteprotokollen = the cabin logbook

So Norwegian often expresses the as a suffix rather than as a separate word.

Because Norwegian normally uses i when talking about writing in a book, notebook, journal, or register.

So:

• skrive i boka = write in the book
• skrive i protokollen = write in the register

If you are writing on a surface, Norwegian often uses på instead:

• skrive på papir = write on paper
• skrive på tavla = write on the board

Here, a logbook is understood as something you write in, so i is the natural choice.

Because Norwegian can use skrive i noe without saying exactly what is being written.

So Vi skriver i hytteprotokollen literally means We write in the cabin logbook, and the specific content is left unstated. It is understood from context that they are writing their names, date, or an entry.

English can do something similar, but learners sometimes expect an object such as our names. Norwegian does not need that here.

Because Norwegian often uses the present tense for:

• habitual actions
• general routines
• planned or expected future actions

So this sentence can mean something like:

• We write in the cabin logbook when we arrive
• or, depending on context, We’ll write in the cabin logbook when we arrive

The present tense is very common in Norwegian in sentences like this.

That is normal in Norwegian.

After time words like når, Norwegian usually uses the present tense even when the meaning is future:

• når vi kommer = when we arrive / when we come

This is actually similar to English in many cases:

• English says when we arrive, not usually when we will arrive

So kommer is grammatically present, but the meaning can still be future.

Literally, kommer is come/comes. But in this sentence, the natural English meaning is usually arrive.

So når vi kommer is best understood as:

• when we arrive

That is because Norwegian komme is often used where English would prefer arrive, especially when reaching a place is the main idea.

Here, når is a conjunction meaning when.

It introduces the time clause:

• når vi kommer = when we arrive

Depending on context, når can sometimes feel like whenever in English, especially in a habitual sentence. So this sentence may suggest a routine:

• Whenever we arrive, we write in the cabin logbook

But the basic meaning is still when.

Because the first part is a normal main clause:

• Vi skriver i hytteprotokollen

In a Norwegian main clause, the finite verb typically comes early, in second position. Here that gives:

• Vi = subject
• skriver = finite verb

Then comes the subordinate clause:

• når vi kommer

Inside that clause, the order is also normal:

• når
  • vi
    • kommer

If you move the når-clause to the front, the main clause changes word order:

• Når vi kommer, skriver vi i hytteprotokollen.

That inversion is very typical in Norwegian.

It can be either, depending on context.

Most naturally, it sounds like a routine or usual practice:

• We write in the cabin logbook when we arrive

But it can also refer to a specific future situation if the context makes that clear.

Norwegian present tense often leaves that distinction to context rather than marking it directly.

You could, but it would usually sound more formal and less natural in everyday speech.

• komme is the normal everyday verb
• ankomme is more formal, like arrive in announcements, travel language, or official contexts

So in an ordinary sentence about reaching a cabin, kommer is the better choice.