# 122 Locked Peak · 2,000–2,999 m · Fars 2900 m Mount Derak کوه دراک

# 191 Locked Peak · 2,000–2,999 m · Sistan and Baluchestan 2850 m Mount Gidbast کوه گیدبست

# 54 Locked Peak · 2,000–2,999 m · Sistan and Baluchestan 2960 m Mount Gili کوه گیلی

# 19 Locked Peak · 4,000–4,999 m · Kerman 4501 m Mount Hazar هزار

# 420 Locked Peak · 1,000–1,999 m · Tehran 1503 m Mount Merah کوه مره

# 03 Locked Peak · 4,000–4,999 m · Ardabil 4811 m Mount Sabalan سبلان

# 165 Locked Lake · Lake · East Azerbaijan Mountain Lake دریاچه داغ گولی

# 147 Locked Protected area · South Khorasan Mozafari Protected Area منطقه حفاظت شده مظفری

# 23 Locked Cave · Razavi Khorasan Mozdooran Cave غار مزدوران

# 90 Locked Valley or canyon · Markazi Mudar دره مودر

# 548 Locked Forest · Forest · South Khorasan Mīānkūh میانکوه

# 675 Locked Peak · 3,000–3,999 m · Semnan 3360 m Mūmenkā مومِنکا

# 222 Locked Peak · 2,000–2,999 m · Isfahan 2154 m Mūr Chāq Godār مورچاغ گدار

# 22 Locked Forest · Forest · Gilan Naghleh Bar Forest نقله‌بر

# 08 Locked Forest · Forest park · Golestan Naharkhoran Forest Park ناهارخوران

# 49 Locked Island or coast · East Azerbaijan Nahid Island جزیره ناهید

# 163 Locked River · Fars Nahr Azam River رودخانه نهر اعظم

# 209 Locked Lake · Dam or reservoir · South Khorasan Nahrein Dam Lake دریاچه سد نهرین

# 50 Locked Island or coast · Bushehr Nakhiloo نخیلو

# 25 Locked Cave · Markazi Nakhjir Cave غار نخجیر

# 190 Locked Peak · 2,000–2,999 m · Fars 2850 m Namak کوه نمک

# 26 Locked Cave · Hormozgan Namakdan Salt Caves غار نمکدان

# 41 Locked Geological formation · Hormozgan Namakdan Salt Dome گنبد نمکی نمکدان

# 148 Locked Protected area · Fars Naqsh-e Rostam نقش رستم

# 430 Locked Peak · 3,000–3,999 m · Mazandaran 3654 m Narcho نارچو

# 406 Locked Peak · 3,000–3,999 m · Qazvin 3694 m Narges نرگس

# 482 Locked Peak · 2,000–2,999 m · South Khorasan 2570 m Narges نرگس

# 130 Locked Spring · Tehran Narges spring چشمه نرگس

# 121 Locked Waterfall · Kohgiluyeh and Boyer-Ahmad Nari ناری

# 932 Locked Peak · 3,000–3,999 m · Mazandaran 3150 m Narin نرین

# 244 Locked Peak · 3,000–3,999 m · Sistan and Baluchestan 3925 m Narkuh نرکوه

# 131 Locked Spring · Lorestan Naser چشمه ناصر

# 92 Locked Valley or canyon · Mazandaran Nashkehnar دره نَشکِه نَر

# 132 Locked Spring · Chaharmahal and Bakhtiari Nasirabad spring چشمه نصیرآباد

# 133 Locked Spring · Isfahan Natural spring بهار طبیعیت

# 134 Locked Spring · Mazandaran Nava چشمه نوا

# 218 Locked Peak · 2,000–2,999 m · Alborz 2830 m Navakooh نوا کوه

# 20 Locked Peak · 2,000–2,999 m · South Khorasan 2988 m Nayband نایبند

# 149 Locked Protected area · Bushehr Nayband Marine-Coastal National Park پارک ملی ساحلی نایبند

# 150 Locked Protected area · South Khorasan Naybandan Wildlife Refuge پناهگاه حیات وحش نایبندان

# 145 Locked Peak · 4,000–4,999 m · Alborz 4072 m Naz ناز

# 707 Locked Peak · 3,000–3,999 m · Mazandaran 3339 m Nazar Kouh نظرکوه

# 259 Locked Peak · 2,000–2,999 m · Hamadan 2080 m NazarGah نظرگاه

# 65 Locked Peak · 4,000–4,999 m · Mazandaran 4258 m Nazer Borozg ناظر بزرگ

# 316 Locked Forest · Forest park · Isfahan Nazhvan Forest Park مجموعه تفریحی ناژوان

# 51 Locked Island or coast · Khuzestan Nedel Gar Island جزیر ندل گار

# 159 Locked Waterfall · Khuzestan Negar Waterfall آبشار نگین

# 164 Locked River · Mazandaran Neka River رودخانه نکا

# 223 Locked Peak · 2,000–2,999 m · Tehran 2830 m Nemah نمه

# 1015 Locked Peak · 3,000–3,999 m · Alborz 3094 m Nesam نسام

# 165 Locked River · Qazvin Neyne Rud نینه رود

# 384 Locked Peak · 3,000–3,999 m · Semnan 3726 m Neyzeva نیزوا

# 252 Locked Peak · 3,000–3,999 m · Mazandaran 3914 m Nezar نزار

# 359 Locked Peak · 1,000–1,999 m · Hormozgan 1800 m Nian نیان

# 426 Locked Peak · 3,000–3,999 m · Alborz 3663 m Nodashtak نودشتک

# 340 Locked Lake · Lake · Gilan Noormas Lake دریاچه نورماس

# 182 Locked Peak · 4,000–4,999 m · Isfahan 4022 m North Howze Dal حوض دال شمالی

# 334 Locked Peak · 3,000–3,999 m · Tehran 3797 m North Kharsang خرسنگ شمالی

# 217 Locked Peak · 3,000–3,999 m · Tehran 3964 m Nosom Boyder نُسُم بویدر

# 539 Locked Peak · 3,000–3,999 m · Mazandaran 3514 m Nourak نورک