Az emelkedő hosszú, és a szintkülönbség nagy.

In Hungarian, the verb to be is usually left out in the present tense, third person when you are saying that something is something or is some quality.

So:

• Az emelkedő hosszú = The climb is long
• a szintkülönbség nagy = the elevation difference is big

If this were in the past or future, or in the first or second person, you would normally use forms of van:

• Az emelkedő hosszú volt. = The climb was long.
• Én fáradt vagyok. = I am tired.

So the missing is is completely normal here.

Hungarian has two forms of the definite article:

• a before a consonant sound
• az before a vowel sound

So:

• az emelkedő because emelkedő starts with e
• a szintkülönbség because szintkülönbség starts with sz

This is similar to English a/an, but Hungarian does this with the definite article instead.

Emelkedő can mean uphill section, incline, or ascent/climb, depending on context.

It comes from the verb emelkedik, meaning to rise or to go up. As a form, emelkedő is historically related to a participle, but in modern Hungarian it is very commonly used as a noun meaning an uphill stretch.

So in this sentence, az emelkedő hosszú means something like:

• The uphill stretch is long
• The climb is long
• The incline is long

The best English translation depends on the situation.

Szintkülönbség is a compound noun:

• szint = level
• különbség = difference

So literally it means level difference.

In natural English, that often becomes:

• difference in elevation
• elevation gain/loss
• vertical difference
• height difference

The exact translation depends on context such as hiking, cycling, construction, or maps.

Because Hungarian adjectives do not agree with nouns the way adjectives do in many Indo-European languages.

In this sentence:

• emelkedő is singular
• szintkülönbség is singular
• but the adjectives hosszú and nagy stay exactly the same

Hungarian adjectives do not change for:

• gender (Hungarian has no grammatical gender)
• number in this kind of predicate use
• case here

So:

• A ház nagy. = The house is big.
• A házak nagyok. = The houses are big.

Notice that when the adjective itself acts as the predicate with a plural subject, it can take a plural marker, as in nagyok. But in the basic dictionary form, adjectives do not have masculine/feminine/neuter versions or special agreement patterns like in many European languages.

This is a very normal, neutral Hungarian word order.

Structure:

• Az emelkedő = topic / subject
• hosszú = comment about it
• és = and
• a szintkülönbség = second topic / subject
• nagy = comment about it

So the sentence is basically:

• The climb is long, and the elevation difference is large.

Hungarian word order is often shaped by topic and focus, not just by fixed subject-verb-object rules. But here nothing unusual is happening.

You could change the order for emphasis in some contexts, but the given sentence is the straightforward version.

A few key points:

• Hungarian stress is almost always on the first syllable
• e is like e in met
• é is a longer ay-like sound
• ő is a long front rounded vowel, something like the vowel in German schön but held longer
• sz is pronounced like English s
• s by itself is pronounced like English sh
• gy is a soft consonant, somewhat like the dy in British duke for some speakers, though not exactly

Roughly:

• emelkedő ≈ EH-mel-ke-dő
• szintkülönbség ≈ SINt-kü-lönb-shayg (very approximate)

The most important beginner points are:

• stress the first syllable: EMelkedő, SZINTkülönbség
• pronounce sz as s, not z
• keep the long vowels long: ő, é

It can suggest physical length, but depending on context it may also imply that the uphill section goes on for a long distance or even feels long.

So Az emelkedő hosszú most naturally means:

• The uphill stretch is long
• The climb is long

If you are talking about a road, trail, or cycling route, hosszú is very natural.

Hungarian often uses simple adjectives like hosszú and nagy in places where English might choose a more specialized phrase.

In Hungarian, it is normal to use a comma before és when it connects two full clauses.

Here, each side is a complete clause with its own subject and predicate:

• Az emelkedő hosszú
• a szintkülönbség nagy

So the comma is standard:

• Az emelkedő hosszú, és a szintkülönbség nagy.

In English, we also often use a comma before and when joining two independent clauses, so this feels fairly familiar.

Yes. Hungarian often has several natural ways to express the same idea.

For example, depending on context, you might also hear things like:

• Nagy a szintkülönbség. = The elevation difference is large.
• Jelentős a szintkülönbség. = The elevation difference is significant.
• Sok a szintemelkedés. = There is a lot of climbing / elevation gain.

The original sentence is simple, clear, and neutral. Other versions may shift emphasis or sound more specific to hiking, cycling, or route descriptions.