We've compiled a long list of spring and summer outdoor activities. And as long as it is, it's bound to grow in the coming weeks. If we've overlooked your event, let us know. Send an e-mail with a brief description to

mkidston@helenair.com

May 2

Blackfoot Float

Grab your oars and hit the water for an easy day-long trip with the Helena Outdoors Club on the Blackfoot River

(449-7971).

May 2

Migratory Bird Day

Join the local Audubon Chapter at the Helena Valley Regulating Reservoir for International Migratory Bird Day and watch the birds in action (495-3718).

May 4

Trail Work

Bring a shovel and meet at top of Arrow Root Road to help connect the 2006 Trail to the Entertainment Trail on Mount Ascension (442-0490).

May 6

Moonlight Hike

Hike under the moon with the Montana Discovery Foundation at the Helena Valley Regulating Reservoir at 7 p.m.

(495-3711)

May 9

Don't Fence Me In

The annual (and growing) Prickly Pear Land Trust trail run includes a 30k, a 12k, and a 5k run, along with a 5k dog walk (442-0490).

May 9

York Burger Boogie

Say it isn't so -- a 40-mile road ride to York and back leaving the Dive Bakery at 9 a.m. (495-8061).

May 17

Race the Scratchgravels

Grease up your gears for the first annual "Unravel the Scratchgravels" mountain bike race. The early-season race offers cash prizes for top finishers (456-4726).

May 18

Wildflowers

Celebrate wildflowers on Mount Helena at 5:30 p.m. (495-3718).

May 19

Wildflower Walk

Participants will meet at the Mount Helena trailhead at 7 p.m. and explore the area's colorful wildflowers (442-0490).

May 21

Mount Helena Kids Day

Participants will meet at 9 a.m. at the Ambrose Trail and explore Mount Helena and all its grandeur, including wildflowers, wildlife, history, geology, weeds, and trails (442-0490).

May 30

Queen City Triathlon

The Queen City Triathlon kicks off in Helena. Sponsored by Big Sky Cyclery, the event offers beginning triathletes a chance to test their endurance and hone their racing skills (442-4644).

May 30

Pioneer Ride

The Tour of the Swan Valley is a two-day bicycle tour through the scenic valley (tmarchant@

stignatiusschools.com).

June 5

Dinosaur 500

Get in on the 500-mile, 48-hour bike race around Fort Peck Reservoir

(994-5490).

June 6

Governor's Cup

Come run or bike in a variety of races and day-long activities in Downtown Helena (1-888-340-3724).

June 8

Trail Work

Bring a shovel to the Beattie Street Trail at 5:30 p.m. and help complete the 2006 Trail across a new parcel on Mount Ascension (442-0490).

June 13

Dirt Divas clinic

They're back! Whether you're a beginning mountain biker or an experience rider, there's something for you at this all-day clinic for women only

(442-4644).

June 13

Double Divide Ride

The Helena Bicycle Club will hold its fabled Double Divide Ride, following some great routes crossing the Continental Divide not once, but twice. Riders peddle 139 miles through rolling hills and valleys and enjoy some great food (439-8379).

June 13

Get Outdoors

It's National Get Outdoors Day, so look for a long list of outdoor activities, including a tour of the Charter Oak Mine, Little Blackfoot wildflowers, and Dutch over cooking

(495-3718).

June 16

Scavenger Hunt

Bring the kids and meet at the head of Tubbs Trail at 6 p.m. to scavenge for the area's natural wonders, such as pine cones and rocks (442-0490).

June 26

Trail Fest

The Mount Helena Music Festival is one thing, but the annual Trail Fest is something else entirely. Pick a favorite ride and hit the trail with friends (443-5188).

June 27

RATPOD

It says what it means -- Ride Around the Pioneers in One Day (www.ratpod.org).

July 6

Moonlight Hike

Hike under the moon in the South Hills with the Montana Discovery Foundation starting at 6:45 p.m. at the Lewis and Clark Library (495-3718).

July 11

Mine Tours

Tour the Charter Oak Mine with Terry Beaver at 10 a.m. (495-3718).

July 12

Spring Meadow Triathlon

Swim, ride and run your way through the Spring Meadow Triathlon in Helena during the hottest time of the season

(442-1106).

July 13

Trail Work

Meet at the end of Crystal Drive at 5:30 p.m. to build a trail connecting Crystal Drive with South Hills Drive behind Nob Hill (442-0490).

July 18

Century Ride

Join the Helena 100, a 100-mile Century Ride along the Missouri River. This year's road route begins in Cascade at Cascade City Park and moves south to Wolf Creek

(439-8379).

July 21

Geo Hike

Get in on the popular geocaching hike at 7 p.m. starting at the Beattie Street Trail and test your electronic skills on Mount Helena (442-0490).

Aug. 1

Elkhorn Mountain Endurance Run

Think you've got what it takes to run through the Elkhorn Mountains? Runners tackle grueling 50k and 50 mile races through the Elkhorns (442-0924).

Aug. 8

Continental Divide

Trail Work

The overnight event is back for a second year to continue the Continental Divide Trail near Bison Mountain. Details to be released as event draws near (442-0490).

Aug. 8

Helena Trail Series

Check out the SHATS Trail Series, where runners compete in races that are scored like a cross-country meet (431-0697).

Aug. 18

Trail Hike

The Prickly Pear Land Trust will lead a hike on the new trail to be built this summer near Mount Ascension (442-0490).

Sept. 7

Park-2-Park

A 5-day, 400 mile ride from Glacier to Yellowstone to benefit CASA (www.casagal.org).

Sept. 19

Mount Helena Classic

Run up Mount Helena on a 1,300-foot, 5.6-mile climb beginning on Last Chance Gulch to top of Mount Helena and back down (431-0697).

Sept. 19

Tour de Cure

Help support diabetes by riding one of the scenic routes. Riders can form their own teams or join another team. Rest stops and rider support are along all routes and everyone dines afterwards (1-888-diabetes).

Sept. 26

Harvest Moon

Banquette

The annual fundraiser for Prickly Pear Land Trust kicks off with another good bash to help purchase land for conservation and protection from development (442-0490).

Clubs with activities

Big Sky Cyclery Race Team (442-4644)

Great Divide Cyclery Team (443-5188)

Helena Bicycle Club (439-8379)

Helena Outdoors Club (449-7971)

Helena Running Club (431-0697)

Helena Climbing Association (443-1697)

Bob Marshall Wilderness Foundation (406-387-3808)

True North Sailing Club (475-3440)

Helena Gun Club (443-0583)

Lewis and Clark Archers (lewisandclarkarchers@gmail.com)