YELLOWSTONE NATIONAL PARK:

Established March 1^st, 1872
Located in Wyoming, Montana and Idaho
Entrance Fee: $25 (includes Grand Teton NP)
Size: 2,221,766 Acres
Miles of hiking trails: 1,100 miles
Annual Number of visitors: 2.9 million

West Yellowstone, MT	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	29	34	40	50	60	70	80	78	68	56	39	31	52
Average Low °F	10	13	17	26	34	41	47	45	37	29	19	12	28

When to go: July and August are the parks busiest months. September and early October, the weather is still good, there is less traffic and wildlife abounds. May and June can be ideal for wildlife watching, but can also bring cold weather with either snow or rain. Mid-December to mid-March is an absolutely stunning time to visit Yellowstone, while the whole park is covered in a blanket of snow and steam and ice take center stage. Most of the park is closed during November and April.
NPS Yellowstone NP Map

GRAND TETON NATIONAL PARK:

Established February 26th, 1929
Located in Wyoming
Entrance Fee: $25 (includes Yellowstone NP)
Size: 309,994 Acres
Miles of hiking trails: 200+ miles
Annual Number of visitors: 3.8 million

Moran, WY	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	25	32	39	48	58	68	78	76	67	54	37	27	51
Average Low °F	-2	1	8	20	29	36	40	38	31	24	13	3	20

When to go: The Teton Mountain Range is majestic any time of the year. Most people visit during June, July and August. September and October are less crowded, but have much cooler temps. November through April are popular months for cross-country skiing and snowshoeing.
NPS Grand Teton NP Map

GLACIER NATIONAL PARK:

Established June 18th, 1932
Located in Montana and Alberta, CANADA
Entrance Fee: $25 (summer) $15 (winter)
Size: 1,013,572 Acres (in Montana)
Miles of hiking trails: 700+ miles
Annual Number of visitors: 1.6 million

West Glacier, MT	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	29	35	42	53	64	71	79	78	67	53	37	30	53
Average Low °F	15	19	23	30	37	44	47	46	39	32	25	18	31

When to go: The best time to visit Glacier is during the warm summer months from mid-June to mid-September. Anytime during the spring and fall, there is a good chance of snow fall and road closures. Some of the highest trails in Glacier have snow until mid-July! December through April is a great time to visit for cross country skiing. Going-to-the-Sun Road is open from mid-June to mid-September.
NPS Glacier NP Map

BADLANDS NATIONAL PARK:

Established November 10th, 1978
Located in South Dakota
Entrance Fee: $15
Size: 244,300 Acres
Miles of hiking trails: 30 miles
Annual Number of visitors: 900,000

Interior, SD	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	34	40	48	62	72	83	92	91	81	68	50	39	63
Average Low °F	11	16	24	36	46	56	62	61	51	39	26	17	37

When to go: June, July and August are the most popular months of the year to visit the Badlands, while park services are available. Limited services are available in May and September, and the weather is still tolerable. November through April is bitterly cold and desolate.
NPS Badlands NP Map

WIND CAVE NATIONAL PARK:

Established January 9th, 1903
Located in South Dakota
Entrance Fee: $0 (cave tours range from $7-$9 for adults & $3.50-$4.50 for children)
Size: 28,295 Acres
Miles of hiking trails: 30 miles
Annual Number of visitors: 600,000

Pringle, SD	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	37	42	50	61	71	81	89	88	78	66	50	40	63
Average Low °F	11	15	21	32	42	51	57	55	45	34	23	14	33

When to go: The Wind Cave and Visitors Center are open every day except Thanksgiving and Christmas. However, most visitors come during the summer months. Late spring is a great time to view young bison and prairie wildflowers. September thru May is considered the off season. The temperature inside the cave stays the same year round at 53°.
NPS Wind Cave NP Map

ROCKY MT NATIONAL PARK:

Established January 26th, 1915
Located in Colorado
Entrance Fee: $20
Size: 265,873 Acres
Miles of hiking trails: 355 miles
Annual Number of visitors: 3 million

Estes Park, CO	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	38	41	45	54	62	73	78	77	70	60	46	40	57
Average Low °F	16	17	21	27	35	41	46	45	38	30	23	18	30

When to go: September is the best time to visit for a number of reasons; it has the most sunny days, elk are migrating and aspen are turning bright yellow. June, July and August are the busiest months, and the main road through the park (Trail Ridge Road) is open from late May to mid-October. Winter months bring snowshoeing and cross country skiing in designated areas.
NPS Rocky Mountain NP Map

ZION NATIONAL PARK:

Established November 19th, 1919
Located in Utah
Entrance Fee: $25
Size: 146,592 Acres
Miles of hiking trails: 50 miles
Annual Number of visitors: 2.5 million

Springdale, UT	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	52	57	63	73	83	93	100	97	91	78	63	53	75
Average Low °F	29	31	36	43	52	60	68	66	60	49	37	30	47

When to go: Located in southern Utah, this park has a high season from March through October. Spring and fall have much milder temperatures then summer months. The four winter months can bring snowfall, but most main roads are plowed.
NPS Zion NP Map

BRYCE CANYON NATIONAL PARK:

Established September 15th, 1928
Located in Utah
Entrance Fee: $25
Size: 35,835 Acres
Miles of hiking trails: 60 miles
Annual Number of visitors: 1 million

Bryce Canyon City, UT	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	39	41	46	56	66	76	83	80	74	63	51	42	60
Average Low °F	9	13	17	25	31	38	47	45	37	29	19	11	27

When to go: Located in southern Utah, this park has a high season from April through October. Spring, summer and fall have very mild temperatures. November through March visitors can enjoy snowshoeing and cross country skiing with the bright white snow creating a brilliant contrast to the deep red cliffs.
NPS Bryce Canyon NP Map

CAPITOL REEF NATIONAL PARK:

Established December 18th, 1971
Located in Utah
Entrance Fee: $5
Size: 241,904 Acres
Miles of hiking trails: 30 miles
Annual Number of visitors: 600,000

Torrey, UT	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High °F	39	46	56	66	75	86	91	88	80	67	52	40	65
Average Low °F	17	24	31	38	47	56	62	61	53	43	29	20	40

When to go: Located in southern Utah, this park has a high season from April through October. Spring and fall have much milder temperatures then summer months. The park has a short winter with cold temperatures and most unpaved roads are impassable.
NPS Capitol Reef NP Map

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