Route 44

Route 44, Johto (from Pokemon SoulSilver).

Levels are this area's own. In your first region they stay as shown; in a region you open later they are raised to match your progress, unless you started that region fresh. See levels.

Wild Pokemon

Grass and caves
Pokemon	Levels	Chance
Weepinbell	22 to 24	35%
Tangela	23	30%
Bellsprout	22	20%
Lickitung	24 to 26	15%

Surfing
Pokemon	Levels	Chance
Poliwag	15 to 30	90%
Poliwhirl	20 to 30	10%

Fishing, Old Rod
Pokemon	Levels	Chance
Magikarp	10	85%
Poliwag	10	15%

Fishing, Good Rod
Pokemon	Levels	Chance
Poliwag	20	55%
Magikarp	20	40%
Remoraid	20	5%

Fishing, Super Rod
Pokemon	Levels	Chance
Poliwag	40	70%
Magikarp	40	20%
Remoraid	40	10%

Swarm (fishing): Remoraid. After the National Pokedex, one swarm happens somewhere in the region each day; on a swarm day these replace the most common slots.
Headbutt trees: Common trees: Spearow (Lv 21 to 22), Heracross (Lv 21 to 22), Aipom (Lv 21 to 22). Rare trees: Spearow (Lv 23 to 24), Aipom (Lv 23 to 24). Which trees are common or rare depends on your Trainer ID.

Items

On the ground (item balls)

Hidden (use the Itemfinder or press A on the spot)

Elixir