# 29 Locked Plain or meadow · Tehran دشت مَرغسَر

# 32 Locked Waterfall · Mazandaran دشت و آبشار دریوک

# 30 Locked Plain or meadow · Mazandaran دشت پرچنان

# 31 Locked Plain or meadow · Tehran دشت پشم لشم

# 32 Locked Plain or meadow · Alborz دشت پهنه‌ حصار

# 33 Locked Plain or meadow · Alborz دشت چمن مخمل

# 837 Locked Peak · 3,000–3,999 m · Isfahan 3230 m دشت کاه

# 34 Locked Plain or meadow · North Khorasan دشت کلوت

# 35 Locked Plain or meadow · Tehran دشت کمردشت

# 36 Locked Plain or meadow · Alborz دشت گراچ

# 37 Locked Plain or meadow · North Khorasan دشت یونجه

# 532 Locked Peak · 2,000–2,999 m · Tehran 2514 m دشته سایت

# 877 Locked Peak · 3,000–3,999 m · Mazandaran 3200 m دشتک سرا

# 78 Locked Lake · Lake · Sistan and Baluchestan دغال مردار

# 79 Locked Lake · Lake · Isfahan دق سیاه

# 13 Locked Lake · Lake · South Khorasan دق پترگان

# 206 Locked Peak · 2,000–2,999 m · Khuzestan 2190 m دلا

# 166 Locked Peak · 2,000–2,999 m · East Azerbaijan 2248 m دلبشک

# 821 Locked Peak · 3,000–3,999 m · Alborz 3244 m دلستان

# 52 Locked Waterfall · Kerman دلفارد

# 340 Locked River · Tehran دلی چای

# 341 Locked River · Tehran دلی چایی

# 08 Locked Desert · Isfahan دم ریگ جن

# 942 Locked Peak · 3,000–3,999 m · Mazandaran 3150 m دم کش

# 336 Locked Peak · 2,000–2,999 m · Khuzestan 2740 m دم کینو

# 144 Locked Peak · 2,000–2,999 m · Zanjan 2882 m دمیرلو

# 1040 Locked Peak · 3,000–3,999 m · Mazandaran 3071 m دنبک

# 17 Locked Peak · 4,000–4,999 m · Mazandaran 4506 m دندان اژدها

# 212 Locked Peak · 3,000–3,999 m · Kerman 3977 m دندانه

# 207 Locked Waterfall · East Azerbaijan دنه لی

# 295 Locked Spring · Tehran ده تنگه

# 76 Locked Geological formation · West Azerbaijan دهانه زندان

# 380 Locked Peak · 2,000–2,999 m · Razavi Khorasan 2686 m دهبار

# 558 Locked Valley or canyon · Tehran دهلیز سنگی

# 559 Locked Valley or canyon · Semnan دهنه پر و بال

# 168 Locked Peak · 2,000–2,999 m · Mazandaran 2870 m دو برار اسک

# 17 Locked Peak · 2,000–2,999 m · Alborz 2472 m دو برار جنوبی

# 19 Locked Peak · 2,000–2,999 m · Alborz 2470 m دو برار شمالی

# 296 Locked Spring · Tehran دو بولاغی

# 300 Locked Peak · 2,000–2,999 m · Qom 2765 m دو شاخ

# 386 Locked Peak · 3,000–3,999 m · Yazd 3720 m دو کوهک

# 549 Locked Peak · 3,000–3,999 m · Yazd 3510 m دو گنبدان

# 560 Locked Valley or canyon · Tehran دوآب

# 561 Locked Valley or canyon · Tehran دوآب

# 562 Locked Valley or canyon · Tehran دوآب سیردرود

# 121 Locked Peak · 2,000–2,999 m · Markazi 2310 m دوتوه

# 354 Locked Peak · 2,000–2,999 m · West Azerbaijan 2710 m دوخوم

# 1121 Locked Peak · 3,000–3,999 m · East Azerbaijan 3012 m دودانلو

# 171 Locked Peak · 4,000–4,999 m · Chaharmahal and Bakhtiari 4053 m دورنگ

# 225 Locked Peak · 2,000–2,999 m · East Azerbaijan 2147 m دورگاه داغی

# 563 Locked Valley or canyon · Tehran دوز دره

# 77 Locked Geological formation · East Azerbaijan دوزلاخ

# 349 Locked Peak · 1,000–1,999 m · East Azerbaijan 1857 m دوزلاخ داغی

# 433 Locked Peak · 2,000–2,999 m · Zanjan 2622 m دوشاخ

# 362 Locked Peak · 1,000–1,999 m · Isfahan 1787 m دوشاخ

# 11 Locked Peak · 2,000–2,999 m · Tehran 2999 m دوشاخ جنوبی

# 1078 Locked Peak · 3,000–3,999 m · Tehran 3045 m دوشاخ شمالی

# 78 Locked Geological formation · Kermanshah دول دره

# 410 Locked Peak · 2,000–2,999 m · Mazandaran 2650 m دول کینگه

# 276 Locked Peak · 2,000–2,999 m · West Azerbaijan 2787 m دومانلی داغ